The Historical Development of Atomic Theory — Cumulative exam Answers
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What is the predicted order of first ionization energies from highest to lowest for lithium (Li), sodium (Na), potassium (K), and rubidium (Rb)?
A
Rb > K > Na > LiB
K > Rb > Na > LiC
Li > Na > K > RbD
Rb > K > Li > Na22
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Which statement best explains the purpose of using a mole in the measurement of matter?
A
It is commonly used as another unit of mass.B
It allows chemists to deal with a large number of atoms.C
It is used only for studying the properties of gases.D
It explains that substances with the same moles have the same mass.23
Which law is described by saying that when the pressure of a gas in a sealed container is cut in half, the gas will double in volume at a steady temperature?
A
Boyle’s lawB
Charles’s lawC
Dalton’s lawD
Gay-Lussac’s law24
What is the volume of 0.200 mol of an ideal gas at 200. kPa and 400. K?Use and .
A
0.83 LB
3.33 LC
5.60 LD
20.8 L
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