# Chapter 5 and 6 ```Chapter 5 and 6
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ACROSS
3. The ___ equation describes the behavior
of real gases.
4. ___ law states that the volume of a
given amount of gas is inversely
proportional to the pressure if
temperature is constant.
6. Energy is often transferred from a
system to its surroundings as either heat
or ___.
10. A reaction or process that absorbs heat
is called ___.
12. ___ Law states that the volume is
directly proportional to the amount of
gas if P and T are constant.
13. He said the energy change of a process
is the sum of the energy changes for
the individual steps.
15. When energy is gained by the system
the sign of of the change in energy is
___.
16. The heat needed to evaporate a liquid is
called the heat of ___.
DOWN
1. 1 atm = 101.3 ___
2. An apparatus for measuring the heat
flow in a reaction.
3. In Gay-Lussac's Law (or Amonton's
Law) the ___ is constant.
5. A light molecule and a heavy molecule
have the same KE. The light molecule
moves ___.
7. Force on an area.
8. A theoretically &quot;perfect&quot; gas is a(n) ___
gas.
9. 1 calorie = 4.184 ___
11. R is the universal gas ___.
14. mm of Hg.
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