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Alcohols are less volatile than ethers of the same molecular weight, but the two classes of compounds have approximately the same solubility in water because:
a. Only alcohols can form hydrogen bonds to water, whereas both compounds can form hydrogen bonds with other molecules of the same type.
b. Only ethers can form hydrogen bonds with water, but both compounds can form hydrogen bonds with other molecules of the same type.
c. Both compounds can form hydrogen bonds with water, but only ethers can form hydrogen bonds with themselves.
d. Both compounds can form hydrogen bonds with water, but only alcohols can form hydrogen bonds with themselves.
Calculate the activity for CS2 at mole fraction= .722 for a Henry's Law standard state using the following data: 446.9 Torr and kH(CS2)=1750 Torr
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Refer to the Galvanic cel below (the contents of each half-cell are written beneath each compartment):
A volume of 125 mL of H2O is initially at room temperature (22.0*C). A chilled steel rod at 2.00 *C is placed in the water. If the final temperature of the system is 21.1*C, what is the mass of the steel bar?
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A Why is it an important concept that atoms generally appear in whole number molar ratios to each other in chemical compounds? What does this tell us about the nature of matter?
A 4.5 g nugget of gold absorbed 276 j of heat. What was the final temperature of the gold if the initial temperature was 25 OC ? The specific heat of gold is 0.129 j/g OC.
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