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16 Cards in this Set
- Front
- Back
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What are the two types of energy ? |
Chemical Potential Energy Kinnetic Energy |
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What is Chemical Potential Energy? |
Energy waiting to happen |
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What is Kinnetic Energy? |
Energy that is in motion. |
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What are relative terms? |
Hot and Cold |
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What is a potential energy diagram? |
a diagram that plots the change in potential that occurs during a chemical reaction |
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What is activation energy? |
Energy needed to get the reactants to the products |
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What is ΔH? |
The heat of reaction |
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How do you determine the value of ΔH? |
By finding the difference between the energy of the products and the energy of the reactants. |
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What is Specific heat? |
The amount of heat required to raise the temperature of 1g of the substance to 1°c |
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What is a calorie? |
The amount of energy required to raise the temperature of 1g of water by 1°c |
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What is a joule (J) ? |
the SI unit of heat and energy |
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What is temperature? |
The property of matter which reflects the quantity of energy of motion of the component particles. |
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what is the law of conservation of energy? |
energy cannot be created or destroyed, but only changed from one form into another or transferred from one object to another. |
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What is an endothermic reaction? |
reaction in which heat transfers out |
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What is an endothermic reaction? |
reaction in which heat transfers in |
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what do catalyst do to chemical reactions? |
-speeds up reactions without changing the products or reactants -lowers activation energy |
