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thermochemistry
closing up on sophomore year
| Question | Answer |
|---|---|
| the minimum amount of energy required to activate a chemical reaction is called | activation energy |
| factors that can affect reaction rate | 1. temperature 2. concentration of reactants 3. catalysts 4. surface area 5. pressure of reactants or products |
| what does endothermic mean and what is it's value? | It enters heat and it's a positive value |
| what's does exothermic mean and what is it's value? | It exits heat and it's a negative value |
| What is a catalyst? | It increases the rate of reaction |
| what is heat capacity? | the amount of heat energy needed to raise the temperature of a substance by one degree Celsius (or one Kelvin) |
| what is the unit for heat capacity? | It is joules or J/g.c |
| what is heat flow | heat flows from warm ---> cool until 2 objects are at the same temp |
| freezing point and _____ point take place at the same point | melting point |
| An object with a higher specific heat requires ____ heat to raise it's temperature | more |
| thermal equilibrium has the ____ temperature | same |
Created by:
ihateschool101
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