Cracking the SAT Chemistry Subject Test

(B) Zn^2 + + 2e− → Zn (C) Cl 2 + 2e− → 2Cl− (D) 2Cl− → Cl 2 + 2e− (E) Zn + Cl 2 → ZnCl 2 Given ...

(E) K+/OH− An unknown solution having a pH of 3.5 was titrated with 0.1 M NaOH. Analysis of the resultin ...

(C) 20% (D) 90% (E) 99% Which of the following statements is the most accurate with regard to the significanc ...

(D) iron (E) silver Unknown metal #2 could be (A) carbon (B) copper (C) zinc (D) sodium (E) silver The addition of d ...

(B) They contain the same number of neutrons. (C) They contain the same number of protons plus neutrons. (D) ...

Chapter 20 Practice Test 3: Answers and Explanations ...

PRACTICE TEST 3 ANSWER KEY ...

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PRACTICE TEST 3 EXPLANATIONS Part A A The composition of Earth’s atmosphere is approximately ...

equation ∆G° = −nFE° where n is the number of transferred electrons and F is Faraday’s constant. ...

liquid. E Carbonates, CO 3 2−, and bicarbonates, HCO 3 −, form CO 2 gas when mixed with acid. T ...

D A pH of 13 indicates a basic solution; therefore, there must be a base in solution in ...

Red: Lithium, strontium Orange: Calcium Yellow: ...

gases in liquids increases with increasing pressure. That’s why when we release the pressure trapped in a bot ...

109. T, T, CE Divide and conquer. No matter how complicated acid/base che ...

Now, count the groups of electrons around the central atom (B), keeping in mind that every pair of ...

nonbonding electrons, every single bond, every double bond, and every triple bond counts as one group. So he ...

T, T Divide and conquer. Strong acids and strong bases are those that undergo 100 percent dissociati ...

Now, count the groups of electrons around the central atom (Xe) keeping in mind that every pair of ...

six groups of electrons has an sp^3 d^2 hybridization and an octahedral geometry. However, because the ...