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| How many Joules is in 1 calorie? |
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| Changes in internal energy |
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Definition
| Delta E= E(final)-E(initial) |
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| Change in internal energy in terms of heat and work |
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| Examples of State Function |
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Definition
| Pressure, volume, temperature, energy, enthalpy |
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| the heat transferred between the system and surroundings during a chemical rxn. |
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Definition
| Delta H = H(final)-H(initial) |
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Definition
| energy required to raise the heat capacity of one mole of a substance. |
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Heat capacity pf 1 gram.
q(heat)=m(mass)c(specific heat)delta-t(temp change) |
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Definition
constant VOLUME.
Qrxn= c-calorimeter x delta t |
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Definition
| Delta H for the rxn is the sum of delta H for each of the steps . The change in enthalpy is inependent of the number of steps or the nature of the path. |
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Definition
| Delta Hrxn= sum of elthalpies of formation of the products- the sum of the enthalpies of formation of the reactants. |
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