Thermochemistry Crossword

When the system gains heat the reaction is ________.
amount of energy released or absorbed as heat during a reaction (3 words)
The law of ________ states energy cannot be seated or destroyed (3 words)
Always flows from warm to cold
When the system loses heat, the reaction is _____.
∆ H measures the change in _____________
amount of heat energy required to raise the temperature of one gram of substance by one degree Celsius
a substance that changes the rate of a chemical reaction without becoming part of the products
SI unit for heat energy
the minimum energy required begin a chemical reaction
a measure of the degree of randomness of the particles in a system
a measure of the amount of solute in a given amount of solvent
energy released as heat by the complete combustion of one mole of a substance
the equation that includes the quantity of heat released or absorbed during the reaction is a ___________ equation
the set of assumptions regarding collisions and reactions
Device used to measure the heat absorbed or released in a chemical change
a measure of the average kinetic energy of the particles in a substance
total surface exposed to outside environment