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A. A balloon is floating around outside your window. The temperature outside is -3 degrees C , and the air pressure is 0.700atm . Your neighbor, who released the balloon, tells you that he filled it with 3.20moles of gas. What is the volume of gas inside this balloon? Express your answer numerically in liters. B. A 18.0L gas cylinder is filled with 5.60moles of gas. The tank is stored at 3 degrees C . What is the pressure in the tank? Express the pressure numerically in atmospheres. C. A 140L kiln is used for vitrifying ceramics. It is currently operating at 865 degrees C , and the pressure is 1.000atm . How many moles of air molecules are within the confines of the kiln? Express your answer numerically in moles. D. A 10.0L gas cylinder has been filled with 4.20moles of gas. You measure the pressure to be 3.00atm . What is the temperature inside the tank? Express your answer numerically in degrees Celsius
Hexane has a vapor pressure of 100 torr at 15.8 C and 400 torr at 49.6 C. What is its deltaHvap
What is the percentage purity of your ldh column fraction? 2. How many total mg of ldh are there in your column fraction?
What mass of silver chloride will be recovered if excess sodium chloride is added to 500 mL of solution containing 10.79g of Ag+?
A reaction has an activation energy of 110 kJ/mol and a rate constant, k=1.2 x 10^-12 s-1 at 0?C. At what temperature will the rate constant k=5.1 x 10^-7 s-1
The specific heat capacity of graphite is .71 J/gC. Calculate the energy required to raise the termperature of 283 grams of graphite by 112 degree C.
complete all the blank entries in the given table. then use the data to graph toscale the fixed variable average fixed
A sample of gas with an initial volume of 33.0 L at a pressure of 765 mmHg and a temperature of 325 K is compressed to a volume of 16.2 L and warmed to a temperature of 440 K. What is the final pressure of the gas?
which of the following is a property of an ionic compound?softmalleablelow boiling pointhigh melting
The equilibrium constant is 100. Calculate the concentrations of O2 present at equilibrium
If 0.0050 mol of methyl acetate is dissolved in 10.0 grams of tert-butanol, what is the expected freezing point depression in celcius degrees?
The density of H2O2 is 1.463g/ml and the density of O2 is 1.428 g/l. How many liters of O2 will from 55.0mL of H2O2?
A weak acid with the general formula of HA will react with a base, such as NaOH. Write the neutralization equation which describes the reaction.
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