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Chapter 18: Q. 5 (page 511)
How many moles are in a 2.0 cm * 2.0 cm * 2.0 cm cube of
copper?
The solution gives the description of moles of copper.
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What volume of aluminum has the same number of atoms as 10 cm3 of mercury?
A demented scientist creates a new temperature scale, the “Z scale.” He decides to call the boiling point of nitrogen 0°Z and the melting point of iron 1000°Z.
a. What is the boiling point of water on the Z scale?
b. Convert 500°Z to degrees Celsius and to kelvins.
A gas is in a sealed container. By what factor does the gas pressure change if:
a. The volume is doubled and the temperature is tripled?
b. The volume is halved and the temperature is tripled?
What is the number density of (a) aluminium and (b) lead?
A gas at fills volume . If the pressure is held constant, what is the volume if
(a) the Celsius temperature is doubled and
(b) the Kelvin temperature is doubled?
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