What is the molar mass of the compound
If 1.56g of a gas has a volume of 1.00 L at .984 atm and 50 degrees Celcius, what is the molar mass of the compound.
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A 345 mL container holds NH3 at a pressure of 745 torr and a temperature of 45 degrees Celsius. What is the molar concentration of ammonia in the container?
A patient needs to take 625 mg of ibuprofen twice daily. The pills in the bottle are each 250. rm mg. How many pills does the patient need to take each time she wants the 625 mg dosage? Assume that these pills are scored and can be cut in half if
Calculate the theoretical yield of aspirin from this week's experiment (i.e. calculate the grams of aspirin produced from 1.4 gram salicylic acid).
Calculate the amount of heat needed to boil of ethanol (), beginning from a temperature of . Round your answer to significant digits. Also, be sure your answer contains a unit symbol.
An oxygen tank contains oxygen at a pressure of 70 kPa. When the pressure drops to 36 kPa, the temperature increases from 300 K to 350 K. If the initial volume is 9 L, what is the final volume?
A boatman must carry a wolf, a goat and a cabbage across a river in a boat which is so small that he can carry at most, only one of them with him in at a time.Moreover whenever the wolf and goat are together, he must also be present to keep th
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