Practice Exam 1

1256 WordsJun 24, 20136 Pages
d 1. What is the correct formula for the carbonate ion? (a) CH3COO(b) Cl(c) CO22(d) CO32(e) (COO-)2 c 2. What is the name of Fe(OH)3? (a) (b) (c) iron hydroxide iron trihydroxide iron (III) hydroxide (d) (e) iron (II) hydroxide none of these d 3. From the following ionic compounds, choose the name-formula pair that is not correctly matched. (a) (b) (c) (d) (e) sodium sulfide ammonium nitrate zinc hydroxide sodium sulfate calcium oxide Na2S NH4NO3 Zn(OH)2 Na2SO3 CaO b 4. How many atoms of hydrogen are in 1.00 mole of water? (a) (b) (c) 6.02 x 1023 atoms 1.20 x 1024 atoms 1.81 x 1024 atoms (d) ( e) 2.41 x 1024 atoms 3.01 x 1023 atoms a 5. How many atoms of carbon are present in 34.5 g of caffeine, C8H10N4O2? (a)…show more content…
2C4H10(g) + 13O2(g)  8CO2(g) + 10 H2O(l) (a) the oxidizing agent and is oxidized. (b) the oxidizing agent and is reduced. (c) the reducing agent and is oxidized. (d) the reducing agent and is reduced. (e) neither an oxidizing agent nor a reducing agent. c 30. Which of the following represents the net ionic reaction for all strong acid / strong base reactions that produce a soluble salt? (a) (b) (c) (d) (e) 2H+(aq) + 2e-  H2(g) 2H+(aq) + 2H2O(l)  4OH-(aq) – H+(aq) + OH (aq)  H2O(l) H2O(l) + OH-(aq)  O2(g) + 3/2H2(g) 2H+(aq) + O2-(aq) 

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