Abeka chemistry

SKU: AB-KIT09. Get the materials you need with the comprehensive Lab Kit for use with Abeka Science Grade 9 for performing the labs in the Abeka Science: Matter and Energy Laboratory Manual, 2nd edition! Our custom designed lab kit helps students reinforce the scientific concepts in the Abeka Science: Matter and Energy course with hands-on ...

The solubility product of Ag2Co3 is 8.1 x 10-12. Is a 1.5 x 10-4 M solution of Ag2NO3, saturated, unsaturated, or supersaturated. Calculate K. 290. Calculate NO. 1.1 x 10 -5 M. Study with Quizlet and memorize flashcards containing terms like chlorine, hydrogen, helium and more.weaker. Redox reactions tend to occur in the direction that produces the _________ oxidizing and reducing agents. current. A flow of electric charge.is electric _______. electrolytes. Substances that dissociate or ionize in water to produce ions that can conduct electricity are ________. electrolysis. The process of passing an electric current ...There’s nothing like a chemistry demonstration to make homeschooling moms appreciate Abeka Academy video lessons.With DVD or streaming lessons led by master teachers on pre-recorded videos, ProTeach Supplemental Video can help your school provide an academically excellent education to more students. Shop ProTeach. Offer more classes. Accommodate more students. ProTeach gives you the flexibility to offer classes for K4-Grade 12, without having to hire a ...Abeka: Basic Chemistry Appendix Quiz K. 5.0 (3 reviews) Extracting metals from their naturally occurring materials and preparing them for use. Click the card to flip 👆. metallurgy. Click the card to flip 👆. 1 / 4.Abeka offers digital textbooks through VitalSource on the following devices. Windows 10; macOS 10.12; iOS 13; Android 5.0; Kindle Fire (4th generation or greater) running Fire OS 5.4.0.1 or later ; Chromebook; Web; Previous Bookshelf versions are available for Windows 7 and 8, and macOS X *Some features only available on iOS devices.A Solid Foundation Built on Biblical Values. Every tool, resource, and textbook within our curriculum is based on our Christian beliefs. Inspire learning & teach biblical values with Christian school & homeschool curriculum trusted since 1972. Discover proven textbooks, video lessons, & more.

A chemical reaction that can be summarized by the formula reactants. → products + heat is an _______. exothermic reaction. The heat required to raise the temperature of a unit mass of the substance by a unit temperature is the _______ of the substance. specific heat. The device in which energy changes during a chemical reaction may be ...Study with Quizlet and memorize flashcards containing terms like double-displacement reaction, combination reaction, decomposition reaction and more.Verified answer. physics. The results of measuring the force F F exerted on both ends of a rubber band to stretch it a distance x x from its unstretched position. The data points are well fit by the equation F=33.55 x^ {0.4871} F = 33.55x0.4871, where F F is in newtons and x x is in meters.Abeka's original curriculum textbooks are researched and written by veteran educators, then tested in the real world. Learn More. A Solid Foundation Built on Biblical Values. Every tool, resource, and textbook within our curriculum is based on our Christian beliefs. Learn More .How many centimeters are in one meter? millimeter. A lowercase letter "m" is the symbol of which SI prefix? c. Write the symbol for the prefix "centi-". MHz. The SI unit hertz is symbolized Hz; write the symbol for the unit equal to 10 to the 6th power Hz. ckat. The SI unit katal is symbolized kat; write the symbol for the unit equal to 10,000 ...273.15 K and 760 torr. How many atoms are in exactly one mole of atoms? 6.022x10^23. Which of the following temperatures equals 0 K? -273.15 C. instrument used to measure atmospheric pressure is the. barometer. the amount of force exerted upon a surface per unit of area is. pressure.

Give your students a college-prep science education with Chemistry: Precision and Design. The text teaches students the basic principles of …DIVE Chemistry Internet Textbook. ... On these weeks, the DIVE Reading Syllabus for Abeka includes internet links to complete your reading online. Our favorite text overall is the DIVE Internet Textbook. However, if you prefer a traditional text then our favorite is the Bob Jones text. You don't need any of the ancillary products like the ...Abeka Book, LLC, known as A Beka Book until 2017, is an American publisher affiliated with Pensacola Christian College (PCC) that produces K-12 curriculum materials that are used by Christian schools and homeschooling families around the world. It is named after Rebekah Horton, wife of college president Arlin Horton.By the 1980s, Abeka and BJU …Overview. Present molecular and descriptive chemistry from a Creation-based, Christian perspective with Chemistry: Precision and Design. Start off with subatomic particles and the periodic table and graduate into balancing chemical equations and understanding chemical bonds. English 11. Plane Geometry. U.S. History. Chemistry. New Testament: Jesus and His Followers. Life Management. Spanish 1. For more specific information about each of the courses, check out the Scope and Sequence. Digital Assessments are available for most courses to students enrolling in the accredited program for 7th–12th grade.

Fgo banner schedule 2023.

View Details. Request a review. Learn moreTerms in this set (5) Which halogen appears in either the preparation of most medicines or in the actual medicine itself? Chlorine. Name three uses for neon. Neon signs, Airport lights, or Checkout scanners. Halons, firefighting chemical, are formed from which halogen? Bromine. True or False:With this monthly rental you will be able to use the DVDs let the master teacher help your class to see how perfectly chemistry has been designed by our Creator with this excellent course. As your students become acquainted with the students on the video, they will feel as though they are a part of the class. The master teacher will even pause ...A record of the mass distribution of particles in a sample. Average atomic mass. The weighted average of the atomic masses of the naturally occurring isotopes of an element. Weighted average. Used to determine the average atomic mass of an element. Study with Quizlet and memorize flashcards containing terms like Matter, Kinetic energy, Solid ...b. Positive and negative ions become separated from each other. Whoch of the following occurs when an oin compound dissociates in solution? Solute. When table salt is dissolved in water, the salt acts as the what? Miscible. Substances in the same phase that are completely soluable in each other, such as ethanol and water, are what? Saturated. A ...Curriculum Enrichment Downloads. To download a PDF, click on PDF, and it will download immediately. To download an MP3, click on MP3 by the selection you want, then click on the download icon in the right-hand corner to download. If you don’t see an icon, right-click on the download and choose the save option.

Firefighters need a strong understanding of chemistry for personal and public safety, to enhance the effectiveness of their efforts and to prevent adding to the many hazards present during a fire.Overview. Perform 27 demonstrations with ease with the detailed instructions of this Teacher Edition. Complete with a copy of the child’s laboratory manual, this teaching resource includes answers to questions and answers that should be achieved during experimentation. Each lab also contains special teaching notes that help you perform the ... energy (joules) = mass (kg) x [speed of light (m/s)]^2. nuclear binding energy. the amount of energy necessary to break up a nucleus into its component nucleons. strong nuclear force. binds nucleus so protons do not separate and go to the electrons. subatomic particles. equal atomic mass plus energy. electron volt.Abeka Chemistry Test 6 (Semester Exam) 54 terms. PapaGreg. Abeka Chemistry Quiz 18. 8 terms. PapaGreg. Test 6 - Semester Exam - Ch. 1-9. 60 terms. suebdean. Sets found in the same folder. Abeka Chemistry Test 6 (semester exam) 64 terms. heh_bookworm. Chemistry Quiz 27. 10 terms. cherish-rena.occurs when an unstable atom ejects a clump of two protons and two neutrons. molarity. the concentration of solution in terms of moles solute per liter of solution. ester. formed when a carboxylic acid reacts with an alcohol. Study with Quizlet and memorize flashcards containing terms like meth- (methane), eth- (ethane), prop- (propane) and more.Product Description. Give your students a college-prep science education with Chemistry: Precision and Design. The text teaches students the basic principles of chemistry in an understandable and interesting manner. Abundant photographs, illustrations, and diagrams make chemical principles and applications clear and understandable as students ... Overview. This key to Chemistry: Precision and Design Quizzes (sold separately) provides a copy of your teen’s quiz book with answers and point values supplied. Grade 11.Overview. Delve into Chemistry with confidence using the invaluable resources found in our Chemistry Video Manual! Our video manual provides a description of the class’s activities and projects, as well as daily guides that walk you through each lesson’s preparation and expectations. This manual offers everything you need for a successful ...When writing a chemical reaction, the ———— are on the left and the ———— are on the right. Reactants and products. Study with Quizlet and memorize flashcards containing terms like Balance the equation H2 (g) + O2 (g) ——-> H2O (g), Balance the equation Zn (s) +HCl (aq)———> H2 (g) +ZnCl2 (aq), Balance the equation Fe (s ...

Abeka Chemistry: Precision and Design Test 11. 60 terms. Starry_Pine. ABeka Chemistry - Test 11 (Chapter 16-17) 52 terms. joy_jackson_emery Teacher. Abeka 11th Grade GC Test 10. 36 terms. samantha_thomsen. Other sets by this creator. Medications to know Nurse 3. 39 terms. linseyrohm4. Self concept Prepu practice test.

The MicroChem kit has 17 lessons, each with an experiment to demonstrate a chemistry concept: and galvanic cells. The kit includes a complete 119-page lab manual with solutions in the back, 22 chemicals, safety goggles, and microscale lab equipment. To do all of the experiments inside, you'll need to provide a few household materials and a heat ...Study with Quizlet and memorize flashcards containing terms like T/F According to Boyle's Law, of the pressure upon a gas is increased, the volume will -increase-., T/F According to Charles' Law, if the temperature of a gas is increased, the volume will -decrease-., T/F If the temperature of a gas is increased while its volume remains constant, its pressure will -decrease-. and more.What he learns about molecular and descriptive chemistry in class is reinforced with the 27 demonstrations in his laboratory manual; he will study different chemical laws, colloids, chemical kinetics, oxidation, and more with the hands-on activities specifically detailed in these demonstrations. The periodic table will become a good friend!6.022 multiply 10^23. what is the value of Avagadro's number. CH2O. a molecule of the sugar fructose contains 6 carbon atoms, 12 hydrogen atoms, and 6 oxygen atoms. what is its empirical formula? 4 mol C7H8 : 2 mol H2O. which of the following mole ratios cannot be derived from the equation 2 C7H8 (g) + 9 O2 (g) ---> 7 CO2 (g) + 4H2O (g)?To examine the detailed Scope and Sequence for a single grade or electives, download the individual PDFs below. P. Preschool. K4. K4. K5. K5. 1. 1st Grade.Chemistry (Abeka) quiz 15. 10 terms. alyssamcgee003 Teacher. Other sets by this creator. Abeka 11th Grade History Quiz 22. 5 terms. Amy_Kircher. Abeka 7th Grade Spelling Quiz 17. 20 terms. Amy_Kircher. Abeka 8th Grade Math Test 6. 7 terms. Amy_Kircher. Geometry Unit Test. 19 terms. Amy_Kircher. Verified questions.Overview. Allow your students to explore the orderly function of God’s creation with the Chemistry Homeschool Student Kit. Your students will learn about matter, stoichiometry, the periodic table, chemical thermodynamics, and much more! This kit conveniently includes the textbook, test book, quiz book, lab manual, and the science project guide.

Chase nevada routing number.

Cinemark movies edinburg tx.

Compound confusion | Problem based practical activities. Explore the use of analytical methods and empirical formula to identify unlabelled chemicals. Use these Starter for ten questions to challenge your students to name aromatic compounds and recall the structure of benzene and electrophilic substitution mechanisms.a. 4 mol C₇H₈ : 2 mol H₂O. b. 9 mol O₂ : 7 mol CO₂. c. 2 mol C₇H₈ : 9 mol O₂. d. 2 mol C₇H₈ : 7 mol CO₂. a. 4 mol C₇H₈ : 2 mol H₂O. If the empirical formula of a substance is known, what additional information is needed to calculate the molecular formula? a. molar mass. b. limiting amount. c. stoichiometric coefficient.Study with Quizlet and memorize flashcards containing terms like Phase, -1, Formation of gas, formation of a precipitate, liberation of absorbtion of heat, light, or some other form of energy, and a distinct change in color and more.Wikipedia. Abeka. Abeka (known as A Beka Book until 2017) is a publisher affiliated with Pensacola Christian College (PCC) that produces K-12 curriculum materials that are used by Christian schools and homeschooling families around the world. It is named after Rebekah Horton, wife of college president Arlin Horton.Allow your students to explore the orderly function of God’s creation with the Chemistry Video Student Kit. Whether using a digital or print textbook, your students will learn about matter, stoichiometry, the periodic table, chemical thermodynamics, and much more! This kit conveniently includes the textbook, test book, quiz book, lab manual ...The branch of science that deals with the study of the composition, structure, and properties of matter and the changes that matter undergoes. List the five major branches of chemistry. Physical chemistry, organic chemistry, inorganic chemistry, biochemistry, analytical chemistry. List and describe the three main steps of the scientific method. 1.the process occurring in plants that continually replenishes oxygen in the atmosphere. ozone ion (O³⁻) This is NOT an ion of oxygen. combustion. the reaction of hydrocarbons and other flammable substances with oxygen. ammonia. Hydrogen's primary use is in the synthesis of __________. free radicals.equation. A symbolic representation of a chemical reaction is a chemical ———-. Reactants and products. When writing a chemical reaction, the ———— are on the left and the ———— are on the right. Study with Quizlet and memorize flashcards containing terms like H2 (g) + O2 (g) ——- H2O, Zn (s) +HCl (aq)——— H2 (g ...True. When calculating a solute's effect on boiling and freezing points, concentration should be measured as molality. The rates of evaporation and condensation are equal. Which of the following statements best describes what is meant when a liquid and its vapor are said to be in equilibrium? 0.80 M. What is the concentration of a solution ...Browse Abeka’s 12th grade video courses and see materials lists for each enrollment option. Search Excellence in Education from a Christian Perspective Since 1972 ... Learn more about how elements work together in Chemistry or choose Physics for a detailed study of matter and energy. Round out your student’s education with Revelation, and ...With video lessons, you get expert instruction at a great value. (And you get flexibility, too!) To see your options and prices, click the button below to shop. Shop Video. Homeschool Christian School. With Abeka video lessons, you'll get expert instruction at a great value. Choose a specific grade and subject to watch sample videos here.T or F: Chemical odors should be tested by cupping your hand and gently wafting the odor toward your nose. True. T or F: When diluting an acid with water, you should always pour the acid into the water rather than pouring the water into the acid. True. T or F: Unused or leftover chemicals should be carefully returned to their respective bottles ... ….

Abeka Chemistry Chapter 10. 59 terms. jlshickerson Teacher. Abeka 8th Science section review 10.5. 15 terms. iwchin03. Abeka 11th Grade Chemistry Test 6. 60 terms. Starry_Pine. Ch. 20. 36 terms. Christiangirl20. Other sets by this creator. HON200 Final Review. 38 terms. Julianna_Zoccola. Chapter 1 Quiz. 22 terms. Julianna_Zoccola. Midterm Review.Did you know that body chemistry has everything to do with fragrance? Learn how body chemistry and fragrance go hand-in-hand. Advertisement Raise your hand if this has happened to you before: You've bought a certain perfume because you admi...Product Features. The 27 quizzes of 10 questions each provide regular reinforcement of concepts. Each quiz takes a minimum of class time to take and to grade. A variety of formats such as multiple choice, modified true/false, matching, short answer, and computation prepares your teen for the tests and verifies that he understands a concept, no ...Abeka 15.5 pp 257 -261 Quiz; Abeka Chapter 14 Quiz; Abeka Chemistry Test 8 (chapters 12 and 13) Abeka Geometry Video 91 Quiz; Abeka Plane Geometry quiz 29; Abeka quiz 21 14.1-14.2; Acceleration Test Questions; Acids and Bases Inquiry Report; Acids and Bases Quiz; Acids and Bases Quiz; Acids and Bases Quiz - (copy) Alfred Nobel; America's Space ...According to the Browsed-Lowry concept, Cl- produced by the ionization of HCl in water is the.... Anhydride. Because SO (3) differs from sulfuric acid, H (2)SO (4), by one water molecule and can react with water to form sulfuric acid, it is the acidic..... Study with Quizlet and memorize flashcards containing terms like acid, red, hydronium and ... Pure oxygen is blown against molten iron and steel, impurities form slag on top of iron from the oxygen. No external heat source is required. 2. Electric arc process. An electric arc between two carbon electrodes gives the heat to melt the iron. Impurities gather on the top and are collected as slag.Verified questions. engineering. Indicate whether the following statements are true or false. Explain. The pound force, lbf, is equal to the pound mass, lb. Verified answer. chemistry. Your recipe for banana bread calls for two ripe bananas. However, you have six ripe bananas that you want to use before they go bad. 1. soluble ionic compounds, strong acids, and strong bases are written as separate ions. 2. all insoluble substances, weak acids, weak bases, and soluble molecular substances are written in molecular form. 3. if water appears in the equation, it is written in molecular form. spectator ions.Presenting the fundamental principles of chemistry, this course teaches current scientific understanding through the lens of God’s creation and gives students an appreciation of …Overview. This key to Chemistry: Precision and Design Quizzes (sold separately) provides a copy of your teen’s quiz book with answers and point values supplied. Grade 11. Abeka chemistry, Work. According to the first law of thermodynamics, the change in internal energy is the sum of heat and ————. System. In thermodynamics, the portion of the universe or the sample of matter being studied is referred to as the ———-. Study with Quizlet and memorize flashcards containing terms like Enthalpy, Potential, Endothermic ..., Angular. predict and draw the geometry of H—C—H molecule. Triangular planar. Lewis. A formula in which nonbonding electron are shown as dots around atoms and bonds are shown as lines or dots between atoms is a _______ structure. nonpolar. A molecule that has a symmetrical distribution of polar covalent bonds will be _____ as a whole ..., Study with Quizlet and memorize flashcards containing terms like What is the chemical symbol of the element carbon?, What is the chemical symbol of the element iron?, What is the chemical symbol of the element neon? and more., length of a week. 123.12. According to the rules for significant figure, to what should the answer to the problem 17.81+45.30+60.0077 be rounded? low accuracy and high precision. An objects length was measured four times; the measured values were 115.00 cm, 114.99 cm, 115.03 cm. , Give three properties of ionic compounds and three properties of molecular compounds. Ionic compounds (any three): ∙crystalline solids with high melting and boiling points. ∙conduct electricity well when molten. ∙many are soluble in water. ∙water (aqueous) solutions conduct electricity well. ∙most are insoluble in nonpolar solvents (e ..., nuclide. Study with Quizlet and memorize flashcards containing terms like 2 types of particles found in the nucleus of an atom, atoms of the same element that differ in their mass numbers, describes any sample of an unstable element that emits energy as its atoms decay; tends to undergo nuclear decay and thereby emit nuclear radiation and more., The three fundamental gas laws discover the relationship of pressure, temperature, volume and amount of gas. Boyle's Law tells us that the volume of gas increases as the pressure decreases. Charles' Law tells us that the volume of gas increases as the temperature increases. And Avogadro's Law tell us that the volume of gas …, Inspired by a teacher who loves chemistry, your teen can join his video classmates in understanding and appreciating chemistry himself! —especially since the course is presented from a Creation-based, Christian perspective. ... Abeka offers digital textbooks through VitalSource on the following devices. Windows 10; macOS 10.12;, If a 10°C rise doubles the rate of a certain reaction, by what factor will the rate of that reaction increase when the temperature is raised from 10°C to 50°C? a factor of 16 (there are 4 doublings; 2⁴ = 16) Calculate ∆H for the reaction. 2 CO (g) + O₂ (g)→ 2CO₂ (g); refer to table 6.2 (pg 84) as needed. -566.0 kJ., Alternatively, homeschool families may be able to incorporate a high school level chemistry kit like, MicroChem Kit item #020028. While not intentionally aligned with the 4th edition Abeka Chemistry, with a little effort, parents can line up the experiments with the more classroom focused Abeka lab activities. , another name for alkane series. False. True/false: alkanes are considered very reactive. Hydrocarbons. Compounds composed of only carbon and hydrogen. -ane. What suffix goes with the alkane series? Study with Quizlet and memorize flashcards containing terms like Double bonds, Paraffin series, False and more., T or F: Chemical odors should be tested by cupping your hand and gently wafting the odor toward your nose. True. T or F: When diluting an acid with water, you should always pour the acid into the water rather than pouring the water into the acid. True. T or F: Unused or leftover chemicals should be carefully returned to their respective bottles ..., Abeka Chemistry, Chapter 9, Sec 9.1. Term. 1 / 51. Valence electrons. Click the card to flip 👆. Definition. 1 / 51. what is the name given to the Electrons on the outermost energy level of an atom. Click the card to flip 👆., Abeka's high-quality, traditional-education materials will give your 11th grader a solid foundation for excellence in academics and success in life. The Grade 11 Student Kit contains all essential textbooks and coordinated materials, including assessments, for an entire year of schooling in English, geometry, chemistry, and U.S.history—17 ..., What is the chemical symbol element oxygen? O. What is the chemical symbol of the element chlorine? Cl. What is the chemical symbol of the element potassium? K. What is the chemical symbol of the the element of calcium? Ca. What is the name of this element Cu?, Use your free Abeka dashboard to access your digital and video-streaming purchases, manage your account, and more!, Study with Quizlet and memorize flashcards containing terms like What 2 particles are contained in the nucleus?, Give the terms for atoms of the same element that differ in their mass numbers., Any unstable substance that tends to undergo nuclear decay is said to be? and more., What are atoms of the same element that have different numbers of nucleons called? Oil Drop Experiment. What experiment was used to determine the electron's charge? Mass number. What value is the number of nucleons in an atom? Study with Quizlet and memorize flashcards containing terms like Neutron, Anion, Cathode rays and more., true or false one mole of atoms contains 2.302 x 10^65 atoms. false. formic acid has a molecular mass of 46 u; what is it's molar mass. 46 g/mol. true or false mass can be converted to miles by dividing by the molar mass. true. Study with Quizlet and memorize flashcards containing terms like what is the sun of the atomic masses of all the atoms ..., Abeka’s original curriculum textbooks are researched and written by veteran educators, then tested in the real world. Learn More. A Solid Foundation Built on Biblical Values. Every tool, resource, and textbook within our curriculum is based on our Christian beliefs. Learn More ., Abeka Chemistry: Precision and Design Paperback – January 1, 2013 by Abeka (Author) 5.0 3 ratings See all formats and editions Paperback from $106.98 2 Used from $106.98 Present molecular and descriptive chemistry from a Creation-based, Christian perspective with Chemistry: Precision and Design., consists of rings containing delocalized electrons. alkanes. contain only single bonds between carbon atoms. alkenes. contain one or more double bonds between carbon atoms. alkanes. may be described as saturated. Study with Quizlet and memorize flashcards containing terms like hydrocarbons, eth-, benzene and more., the step of the scientific method that involves thinking about nature to develop an idea about how something works. hypothesizing. a microsecond. 10^-6 s. standard temperature and pressure. 273.15 K and 760 torr. number of atoms are in exactly one mole of atoms. 6.022x10^23. temperature that equals 0 K?, Abeka Chemistry Test 3. Law that states that gas molecules are in constant, rapid motion, moving in straight lines until they collide with each other..gas molecules undergo elastic collisions, kinetic energy of gas molecules is directly related to temperature, Gas molecules are very far apart and are negligible in volume, and Gas molecules have ..., Abeka Chemistry Appendix Quiz R. 5 terms 5 (3) isabellenavarrete. Preview. Abeka Basic Chemistry appendix quiz N. 5 terms 5 (2) OKnumber10. Preview. Abeka Chemistry Appendix Quiz Q., Abeka 11th Grade Chemistry Quiz 5. Get a hint. The prefix deca- in a molecular formula indicates that ______ atom (s) of that element are present in each molecule. Click the card to flip 👆. 10 *., $624.95 This Abeka chemistry lab kit conveniently bundles the hard-to-find lab items for doing the experiments in the Abeka curriculum Chemistry: Precision and Design. Abeka science experiments have never been so easy! quantity Grades 10-12 Out of Stock, Expected to Ship: 10/07/2023 Shipping Restrictions Add to Wish List Best Seller, From introductory classes to AP Chemistry, homework help on Brainly takes you beyond the answers. View detailed explanations for problems so you can figure out how to solve them on your own. And with expert-verified solutions available on desktop or mobile, you can get reliable help — anytime, anywhere. Get help with Chemistry homework 24/7., To examine the detailed Scope and Sequence for a single grade or electives, download the individual PDFs below. P. Preschool. K4. K4. K5. K5. 1. 1st Grade., Complete with chapter reviews, interesting pictures, and clear diagrams, your child will finish 8th grade science with a detailed understanding of earth and space science. 428 pages, indexed, softcover. 2nd Edition. 8th Grade. 8' x 10'. Science: Earth and Space (Grade 8), Chemistry Test 2 - Abeka Chemistry test two. Home; Flashcards; Preview Chemistry Test 2. Home. Get App. Take Quiz. Create. set of symbols that tells how many of each type of atom are found molecular formula ... Chemistry Test 2. Description. Abeka Chemistry test two. Updated. 2013-10-09T01:29:53Z., Abeka Chemistry Quiz 21. When the rates of a chemical reaction in opposite directions have become equal, resulting in no further changes in concentration of reactants or products, the system is said to be in a state of ____., Abeka Academy delivers professional instruction on par with private tutoring. Typically, that costs $30–$85 per hour.* Even if you choose the most expensive option—10 hours of video lessons on demand for $60—that’s only $6 per hour.