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If 4.25g of H2 over water at 25 degrees Celsius was collected that had a total pressure of 1.15 atm, explain what would be the partial pressure of the H2 collected? State the pressure of gaseous water at 25 degrees C is 23.8torr.
Calculate the volume of carbon dioxide at 20.0 C and .960 atm produced from the complete combustion of 3.50 kg of methane. Compare your result with the volume of CO2 produced from the complete combustion of 3.50 kg of propane (C3H8)
the diameter of a neutral helium atom is about 1.0 102 pm. suppose that we could line up helium atoms side by side in
Calculate the average translational kinetic energy (sometimes just called average kinetic energy)
Nitric oxides, NO and NO_2, contribute to air pollution, acid rain, and the depletion of the ozone layer. After NO forms in the combustion chamber of an automobile engine, it reacts further with oxygen to form NO_2. The reaction is given by 2NO (g..
1.how many significant digits can be obtained from this instrument?2. what is the appearance of the flame when the air
Calculate the partial pressure of each gas in the container. Express the pressure values numerically in atmospheres, separated by commas. Enter the partial pressure of methane first, then ethane, then propane.
A fixed quantity of gas at 22 deg C exhibits a pressure of 754torr and occupies a volume of 5.52L . Calculate the volume the gas will occupy if the pressure is increased to 1.89atm while the temperature is held constant.
An ear drop formula contains 60 mg of antipyrine and 19 mg of benzocaine in each milliliter of solution. What is the percentage strength of benzocaine in the formula
A solution is prepared by dissolving 6.00g of an unknown nonelectrolyte in enough water to make 1.00L of solution. The osmotic pressure of this solution is .750atm at 25.C. What is the molecular weight (g/mol) of the unknown solute
how many heat energy is required to heat a cup of water (195.0) from room temperature (25.0C) to boiling (100.0C).
some reactions that are predicted by their sign deltag to be spontaneous at room temperature do not proceed at a
The vapor pressure of water at 20 degrees celcius is 17.5 mmHg. What is the vapor pressure of water over a solution prepaired from 2.00 g of surcrose(C6 H22 O11) and 3.50g of water
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