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What would happen to the pressure of a confined gas sample if the volume of that sample was decreased while the temperature was held constant?
the volume of 4 cubic meters of gas is kept under constant pressure. its tempeture is increased from a minus 73 degrees
If the sun is a distance of 1.5 x 10^8 km from earth, how many minutes does it take sunlight to reach earth if light travels at 186,000 miles each second
At 0.967 atm, the height of mercury in a barometer is 0.735 m. If the mercury were replaced with water, what height of water (in meters) would be supported at this pressure.
Calculate the heats of combustion for the following reactions from the standard enthalpies of formation listed in the text- (a) 2H2(g) + O2 (g)--> 2H2O (l). (b) 2C2H2 (g) + 5O2 (g) --> 4CO2 (g) + 2H2O (l).
Calculate the volume of 6 M NaOH required to react completely with the amount of methyl salicylate you used. How much of the 6 M NaOH that you used was in excess of the theoretical amount?
Calculate the percent ionization of 8.0×10?3 M butanoic acid in a solution containing 8.0×10?2 M sodium butanoate
A 10.9 g sample of a certain gas was introduced into a constant volume container at 21 C. if the container were heated to 161C, how many grams of gas must be vented from the container
a solution of ethanol c2h5oh in water is prepared by dissolving 72.0 ml of ethanol density 0.79 gcm3 in enough water
the reaction mechanisms could be coupled, how many moles of ATP will be needed to drive
the henry law constant kh for o2 in water is 5.6610-5g l-1 torr-1 at 20 degrees c. calulate the concentration of
The partial pressure of O2 in a sample of air on a mountain top is 115 mmHg. The oxygen makes up 21% of the gas in the atmosphere. What is the total atmospheric pressure on the mountain top?
Which of the following statements about natural radioactive emissions is incorrect?
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