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An application calls for N2(g) with a density of 1.80g/L at 32 degrees. What must be the pressure (atm) of the N2(g)?
a solid acid is dissolved in enough water to make 200 ml of a solution. 40 ml of the solution is titrated to a phenolphthalein end point with an NaOH solution.
What is the coefficient of the water? K2O + H2O What is the mass of 2.10 x 1021 atoms of copper, Cu? What is the molar mass of aspirin, C9H8O4?
a sample of gas occupoes 17ml at -112 degrees C. what volume does the sample occupy at 70 degrees C.
Calculate the mass of silver nitrate (in grams) in a 145 mL solution of 5.38 M AgNO3.
If 13.5g of (NH_4)_2SO_4 is dissolved in enough water to form 230mL of solution, what is the molarity of the solution.
what is the volume of 1 mole of Helium gas when the pressure is 1.47 atm and the temperature is 287 K.
If 10500 L H2 gas is reacted with an excess of N2 gas at 200 atm. and 500 C, how many moles of ammonia gas would be produced, assuming a 15% yield?
Provide the following information for a titration analysis involving a titrant and titrand, where the titrand is a weak, diprotic acid (Ka1 = 1.00 x 10-4; Ka2 = 1.00 x 10-8; Vol=0.01000 L; FH2A=0.1000 M) and the titrant is a strong monoprotic base..
What is the concentration of an NaOH solution that requires 50.0 ml of a 1.25 M H2SO4 solution to neutralize 78.0 ml of NaOH?
The mixture of saltwater and ice around the ice cream bucket in the ice cream machine is at a temperature of -8.40C. What mass of sodium chloride would be found in 1,477 grams of this solution?
A metal rod has a mass of 17.62 g. A graduated cylinder contains 28.9 mL of water. The metal rod is added to the cylinder. The final water level in the cylinder is 35.1 mL. What is the density of the metal rod?
Calculate Gibbs free energy and determine the type of thermodynamic reaction and what type of thermodynamic reaction is shown.
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