Investigation 8: Thermochemistry
Flashcard
•
Chemistry
•
10th Grade
•
Hard
Wayground Content
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16 questions
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1.
FLASHCARD QUESTION
Front
What unit do you use to measure Thermal Energy?
Back
J (Joules)
2.
FLASHCARD QUESTION
Front
Is the combustion of gasoline endothermic or exothermic?
Back
Exothermic
3.
FLASHCARD QUESTION
Front
If a reaction in a beaker starts at 15.0 degrees Celsius and ends at 27.5 degrees Celsius, is the system endothermic or exothermic?
Back
Endothermic
4.
FLASHCARD QUESTION
Front
How much energy must be used to produce 4.75 mole of gaseous water? H2O (l) + 44.0 kJ --> H2O (g)
Back
207 kJ
5.
FLASHCARD QUESTION
Front
How much energy would be produced if only 1 mole of nitrogen was reacted in the reaction 2N2 + 3H2 --> 2NH3 + 46 kJ?
Back
23 kJ
6.
FLASHCARD QUESTION
Front
What is Thermochemistry?
Back
The study of the heat energy associated with chemical reactions and changes of state.
7.
FLASHCARD QUESTION
Front
Define Endothermic Reaction.
Back
A reaction that absorbs heat from its surroundings.
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