2. The law of __________ of _____ states that in any chemical or physical process, _____ is neither created nor destroyed.

B. A major goal of thermochemistry is to examine the flow of ____ energy between a system and its surroundings.

a. Heat flows from a ______ object to a _____ object.

b. If two objects remain in contact, heat will flow from the ______ object to the _____ object until the temperature of both is the ____.

2. Heat is _______ from the surroundings in an __________ process.

3. Heat is _______ into the surroundings in an _________ process.

4. Heat flow is measured in two common units, the ______ and the ____.

a. A _____, _, is defined as the quantity of heat needed to raise the temperature of ___ of pure water ___.

b. The ____, _, is the quantity of heat that raises the temperature of __ of water _______.

C. The amount of heat needed to increase the temperature of an object exactly 1°C is the ____ ______ of that object.

1. The ____ ______ depends on both its ____ and its _______ composition.

2. The specific heat capacity, or simply ______ ____, C, of a substance is the amount of heat it takes to raise the temperature of 1g of the substance 1°C.