ASSIGNMENT 2 - Question 1 Multiple Choice A system that...

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Question 1 Multiple Choice 1 points A system that does no work but which gains heat from the surroundings has q > 0, ΔE < 0 q > 0, ΔE > 0 q < 0, ΔE < 0 q < 0, ΔE > 0 Question 2 Multiple Choice 1 points A system loses 14.2 kJ of heat while performing 7.2kJ of work on the surroundings. If the initial internal energy, E , is 77.6 kJ, what is the final value of E ? 56.2 kJ 70.6 kJ 99.0 kJ 84.6 kJ Question 3 Multiple Choice 1 points Δ H does not depend on the path of a reaction, but ΔE does True False Question 4 Multiple Choice 1 points Galena is the ore from which elemental lead is extracted. In the first step of the extraction process, galena is heated in air to form lead(II) oxide. 2PbS( s ) + 3O 2 ( g ) →2PbO( s ) + 2SO 2 ( g ) Δ H = -827.4 kJ What mass of galena is converted to lead oxide if 975 kJ of heat are liberated? 203 g 282 g 406 g 564 g Question 5 Multiple Choice 1 points A common laboratory reaction is the neutralization of an acid with a base. When 50.0 mL
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ASSIGNMENT 2 - Question 1 Multiple Choice A system that...

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