Chemistry Thermochemistry

Reactions that absorb hear are called [blank_start]endothermic[blank_end]

The energy used or produced during a chemical reaction is called the [blank_start]enthalpy[blank_end]

[blank_start]Hess's[blank_end] law says that the (triangle H) for reactions are additive

The [blank_start]specific heat (c)[blank_end] of a substance tell how much energy is needed to raise the temperature of 1 gram of that substance by 1ºC

1 calorie is equal to [blank_start]4.814[blank_end] joules

An [blank_start]exothermic[blank_end] reaction is one that gives off heat

The amount of energy required to raise the temperature of 1 gram of pure water by 1ºC is exactly equal to one [blank_start]calorie[blank_end]

[blank_start]Heat[blank_end] is the type of energy that alwats flows from warmer objects to cooler one

[blank_start]Thermochemistry[blank_end] is the study of heat changes during chemical and physical changes

If a reaction is reversed, the (triangle H) for the reaction must be [blank_start]changed to opposite sign[blank_end]

Label all the parts on the heating curve provided

The type of reaction that absorbs heat from the surroundings

A chemical equation that includes the enthalphy change

When a reaction requires energy in order to be completed, this energy can be written on the ___ side of a chemical equation

The heat content of a substance

In order to melt a substance, energy is ___

Describes the additive nature of chemical equations and heat changes

The heat absorbed by 1 mole of a substance in boiling from a liquid to a gas at a constant temperature

The fact that equals masses of both water and copper, when supplied with identical energy amounts of energy amounts of energy heat up at different rates is due to their ___

How many kJ of energy can be released by a banana containing 150 calories?

For the question below, use the following equation: I2(s) + 62.4 kJ --> I2(g) Which of the following is true?

For the question below, use the following equation: I2(s) + 62.4 kJ --> I2(g) How much heat is involved in the production of 3.5 mole I2(g)