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1. If 15.0g of a gas dissolves in 1.00 L of water at 110kPa,what mass will dissolve at 101.325kPa?2. The solubility of an unknown gas is 1.20 g/L at 1.00 atm. What is the solubility of the gas at 1.52 atm?3. what is the molarity of a solution that contains 12.6 g of NaCl in 250 m L of solution?4.What mass of CaCl is needed to make 350 mL of a 0.233M CaCl solution?5.What is the molarity of a solution that contains 3.50 moles in 1.56 L of solution?6.What volume of 12.8M stock HCL is needed to make 500.mL of a 0.500M HCL solution?7.250.mL of 3.00M LiF is diluted to a volume of 1.20 L. what is the molarity of the resulting solution?8.What is the mass percent of a solution that contains 45.2 g of NaCl in 675g of water?9.What is the mass percent of a solution that contains 35.9 g of ammonia in 75.0 g of water?10. A solution is 5.00% by mass. How many grams of solute is present is 125 g of solution?
If 125 cal of heat is applied to a 60.0 g piece of copper at 25.0 C, what will the final temperature be? The specific heat of copper is 0.0920 cal/(g.C}) .
calculate delta U and delta H for the process on the basis of 1 mol of gas. Assume for the gas that PV/T is constant, Cv= (5/2)R, and Cp=(7/2)R.
Given that 4NH3(g)+5 O2(g)---> 4NO (g)+ 6H2O (g), If 8.2 moles of NH3 React with sufficient oxygen, how many moles of water will be formed?
the structures of the ions Ni2+ (aq) and Fe3+ (aq) as they exist in aqueous solution in octahedral shape.
if 150g of water is collected during complete combustion of 166g of butane with ocyben, calculate the percent yield of water.
Calculate the mass in grams of carbon dioxide that will be produced when 25.0 g of ethanol is burned.
Determine the room temperature heat capacities at constant pressure for the following materials: aluminum, silver, tungston and 70Cu-30Zn brass
What is a possible molecular formula of the hydrocarbon?
How many grams of water are required to prepare a 1 .50 m NaCl solution using 45.5 grams of NaCl?
The state function to describe a particle on a sphere is given as Ψ=2sin^2(?)+cos?(θ).calculate the expectation value of its angular momentum about the z-axis, energy and the square of the total angular momentum L^2.
At 400°K , 0.20 M NO and 0.10 M Cl2 were mixed. The reaction rate was found to be 3.04 ? 10-6 M/s. What is the value of the rate constant, k?
chemical potential energy from rotating turbines into thermal energy. B) electrostatic energy from rotating turbines into chemical energy
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