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Explain what is the volume occupied by 29.4g of argon gas at a pressure of 1.20atm as well as a temperature of 456K? Explain would the volume be different if it was 29.4g of helium?
moles of an ideal gas in an initial state T1 = 300 K and P1 = 0.5 bar undergo an isothermal compression until the pressure of the system is four times the original pressure
The normal boiling point of bromine is 58.8°C. Given that the vapor pressure of methanol is 75.0 torr at 2.5°C, calculate the molar enthalpy of vaporization of bromine.
The osmotic pressure of 0.010M MgSO4 solution at 25 degrees C is 0.318 atm. Calculate i, the van Hoff factor for this MgSO4 solution.
It takes 78.2 J to raise the temperature of 45.6 g lead by 11.3 degrees C. Calculate the specific heat capacity of lead
The ratio of effusion of an unknown gas is measured to be 24.0ml/min. Under the same conditions, the rate of effusion of pure methane gas is 47.8ml/min. What is the unknown gas?
Sports drinks are beverages designed to replenish water, salts, sugars and other nutrients. A particular sport drink contains 600 ppm sodium by mass. How many mg of sodium would be in a 16.0 oz bottle of this beverage
the simplest formula of a substance is found to be ch2o and its approximate molar mass is found by experiment to be
David J hooper weighs out 13.1 grams of salicylic acid in a 250 mL flask and adds 7.5 mL of acetic anhyride (density=1.080 g/mL) Determine the max (theoretical number of grams) of acetlysalicylic acid he can prepare
State condensed structural formulas for all five carbon aldehydes and ketones and the molecular formula is C5H10O
Which element is the central atom? Hydrogen cyanide, Ammonia, Calcium carbonate, Magnesium sulfate
A. What is the value of A in the following nuclear reaction. 238 92 U-->234 90 Th + AZx B. What is the value of Z in: 238 92 U-->234 90 Th+AZ X C. Write the balance equation for the following reaction? 56 26(aB) 6029 Cu
a tank contains a mixture of 3.6 mol of n2 2.7 mol of o2 and 1.8 mol of co2 at 25degc and a total pressure of 10.0 atm.
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