5 Steps to a 5 AP Chemistry 2019
(^80) › STEP 4. Review the Knowledge You Need to Score High Acid–Base Reactions In general, acids react with bases to form a sal ...
Reactions and Periodicity ‹ 81 For example, suppose you wanted to determine the molarity of an HCl solution. You would pipet a k ...
(^82) › STEP 4. Review the Knowledge You Need to Score High Experiments Laboratory experiments involving reactions are usually c ...
Reactions and Periodicity ‹ 83 ❯ Review Questions Here are questions you can use to review the content of this chapter and pract ...
(^84) › STEP 4. Review the Knowledge You Need to Score High A sample is tested for the presence of the Hg^2 + ion. This ion, al ...
Reactions and Periodicity ‹ 85 ❯ Answers and Explanations D—The balanced equation is 3 Fe(OH) 2 (s) + 2 H 3 PO 4 (aq) → Fe 3 (P ...
(^86) › STEP 4. Review the Knowledge You Need to Score High ❯ Free-Response Question On the AP exam, there will be both long-ans ...
Reactions and Periodicity ‹ 87 ● Learn and be able to apply the solubility rules. ● Redox reactions are reactions where oxidatio ...
CHAPTER Stoichiometry IN THIS CHAPTER Summary: The previous chapter on chemical reactions discussed reactants and products in te ...
Stoichiometry ‹ 89 Moles and Molar Mass The mole (mol) is the amount of a substance that contains the same number of particles a ...
(^90) › STEP 4. Review the Knowledge You Need to Score High As a good check, add the percentages together. They should equal 100 ...
Stoichiometry ‹ 91 Reaction Stoichiometry As we have discussed previously, the balanced chemical equation not only indicates whi ...
(^92) › STEP 4. Review the Knowledge You Need to Score High In another reaction, 40.0 g of Cl 2 and excess H 2 are combined. HCl ...
Stoichiometry ‹ 93 Answer: Convert to moles: () = = 125 g P O 1 molPO 142 g PO 0.880molPO (50.0 gHO) 1 m ...
(^94) › STEP 4. Review the Knowledge You Need to Score High The theoretical yield is 49.5 g. ×= 37.5 gCaCl 49.478gCaCl (^2) 100% ...
Stoichiometry ‹ 95 Experiments Stoichiometry experiments must involve moles. They nearly always use a balanced chemi- cal equati ...
(^96) › STEP 4. Review the Knowledge You Need to Score High A solution is prepared by mixing 50.0 mL of 0.20 M arsenic acid, H ...
Stoichiometry ‹ 97 Which of the following is the correct net ionic equation for the reaction of nitrous acid, HNO 2 , with sodi ...
(^98) › STEP 4. Review the Knowledge You Need to Score High ❯ Answers and Explanations It is possible to simplify the calculatio ...
Stoichiometry ‹ 99 Since the 45.20 was rounded up, the answer is slightly high; therefore, pick the closest answer that is sligh ...
«
1
2
3
4
5
6
7
8
9
10
»
Free download pdf