Answer to Question #309683 in Chemistry for mcc

Question

Law of Conservation of Energy states that, ______________.

a. The energy of the system and the of the surroindings are unrelated.

b. Energy can neither be created nor destroyed.

c. Energy can neither be created nor transferred.

d. The change in energy of a system is equal to the heat absorbed and released.

A calorimeter is an____________________. 

a. insulated coffee cup that that transfers an immense amount of heat.

b. excellent insulator that works without a thermometer.

c. insulated apparatus that contains water or any liquid of known heat capacity.

d. apparatus that has water or any liquid with unknown heat capacity.

Thermal decomposition of limestone to form calcium oxide and carbon dioxide is ________. 

a. exothermic

b. endothermic

c. both endothermic and exothermic

d. partly exothermic

Answer 1

1.b. Energy can neither be created nor destroyed

2.c. insulated apparatus that contains water or any liquid of known heat capacity

3.a. exothermic