chemistry
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| thermodynamics | the study of heat changes in chemical reactions
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| energy | the ability to do work or produce heat
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| heat (q) | the transfer of kinetic energy from warm objects to cooler objects
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| units of heat | joules, calorie, Calorie, BTUs
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| calorimetry | measure of heat released or absorbed during a chemical reaction
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| specific heat | J needed to raise the temp of 1 g of a substance by 1 degree celsius
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| system | environment chemical reactions take place in
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| Standard T and P in standard enthalpy change | T=25 P=1 atm
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| enthalpy | the heat content of a system at constant pressure
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| enthalpy change | heat absorbed or released during a chemical reaction
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| Hess's Law | if a series of reactions are added together, the enthalpy change for the net reaction is the sum of enthalpy change of individual steps
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| spontaneous chemical reaction | a reaction that proceeds on its own w/o outside intervention
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| entropy (s) | the disorder of substance in a chemical reactions
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