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Q 1/20
Score 0
1. Energy that an object possesses by virtue of its position.
60
Potential energy
Q 2/20
Score 0
2. The combined kinetic and potential energies of the atoms and molecules that make up an object.
60
Internal energy
20 questions
Q.
1. Energy that an object possesses by virtue of its position.
1
60 sec
Q.
2. The combined kinetic and potential energies of the atoms and molecules that make up an object.
2
60 sec
Q.
3. Energy associated with light or electromagnetic radiation.
3
60 sec
Q.
4. Energy associated with the random motion of atoms and molecules.
4
60 sec
Q.
5. Energy that results from moving charges — usually electrons in a metal.
5
60 sec
Q.
6. A form of potential energy associated with the arrangement of protons and neutrons in atomic nuclei.
6
60 sec
Q.
7. Energy associated with the movement of macroscopic objects.
7
60 sec
Q.
8. Energy that an object possesses by virtue of its motion.
8
60 sec
Q.
9. Energy stored within the structural units of chemical substances.
9
60 sec
Q.
10. The capacity to do work or transfer heat.
10
60 sec
Q.
11. Energy used to move an object over some distance.
11
60 sec
Q.
12. Energy used to cause the temperature of an object to rise.
12
60 sec
Q.
13. In a combustion reaction, the hydrocarbon reacts with ____________ to produce ______________ and ___________.
13
60 sec
Q.
14. the equivalent of 1 cal = _________
14
60 sec
Q.
15. The _________ includes the molecules we want to study (e.g. the oxygen and hydrogen molecules) and the _____________ are everything else (e.g. the cylinder and piston).
15
60 sec
Q.
16. The instrument used to measure heat flow is called a _______________.
16
60 sec
Q.
17. A process is _____________ when the change in enthalpy is positive.
17
60 sec
Q.
18. A process is _____________ when the change in enthalpy is negative.
18
60 sec
Q.
19. ______________ states that “the enthalpy change of an overall process is the sum of the
enthalpy changes of its individual steps”.
19
60 sec
Q.
20. _____________ the amount of energy that can be released per gram of fuel burned.
