SAT Subject Test Chemistry,10 edition
68 . Which of the following statements does not accurately describe the action of a catalyst? (A) A cataly ...
Answer Key PRACTICE TEST 3 1 . A 2 . E 3 . A 4 . C 5 . A 6 . E 7 . C 8 . D 9 . E 10 . A 11 . ...
106 . F, F 107 . F, T 108 . T, F 109 . T, T, CE 110 . T, F 111 . F, F 112 . F, T 113 . T, F 114 . F, T 115 . ...
49 . C 50 . C 51 . D 52 . B 53 . B 54 . E 55 . A 56 . E 57 . B 58 . D 59 . D 60 . E 61 . B 62 . C 63 ...
Answers and Explanations PRACTICE TEST 3 1. Part A 1 . A Molecular speed is dependent on size of the gas mo ...
Fluorine has the highest electronegativity of any element, and therefore always has a −1 oxidation number in i ...
12 . C For a substance to participate in hydrogen bonding, it must have hydrogen atoms attached to ...
hydrocarbon is quite exothermic (think gasoline, kerosene, burning candles, etc.). 21 . D This is the only ...
dispersion forces in H 2 S (because of the greater total number of electrons in the molecule) would be expect ...
Combustion reactions involving hydrocarbons produce heat (are exothermic, ∆H < 0 ) and form many mole ...
forces. Both bromine and chlorine are nonpolar molecules and therefore have dispersion forces. The dispersion f ...
0.500 L (1.00 moles KCl/L) = 0.500 moles KCl 0.500 moles KCl (74.5 grams KCl/mole) = 37.3 g KCl ...
points than ionic compounds. 35 . E The atomic radius of an atom increases down a group because the ato ...
41 . E The first ionization energy is the energy required to completely remove an electron from an atom ...
H 2 O forms a bent structure; CH 4 and NH 4 + are tetrahedral. 47 . A To determine the order of the react ...
50 . C In an electrochemical cell, oxidation (increase in oxidation number) occurs at the anode. The oxidation ...
2 × 0.20 M = 0.40 M = 0.40 mol/L. In 2.5 L of the solution, there are 2.5 L × 0.40 mol/L = ...
60 . E An endothermic reaction would have ∆H° reaction >0. The relevant balanced equation is: 2 C 8 ...
heating, 33.632 grams, from the mass of crucible, cover and sample after heating, 33.376 grams. 33.632 gr ...
68 . E A catalyst cannot change the position of an equilibrium, the equilibrium constant K, the ∆G°, or th ...
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