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An aqeous solution of oxalic acid is 0.688m, H2C204. Explain the density of the solution is 1.022g/ml. Define what is the molar concentration?
a solution is prepared by dissolving 4.21g of a nonelectrolyte in 50.0 g of water. if the boiling point increases by
What mass of potassium can be produced by the reaction of 215 g Na with 296 g of KCl?
2 NO(g) +Cl2->2NOCL(g) the observed rate law is Rate= K(NO)^2(Cl2). What is the reaction order with respect to nitrohen monoxide with respect to Cl2? Wht id the overall order
For H3PO3, Ka1 = 1.0x10- 2and Ka2 = 2.6x10-7. Calculate a value for the [H2PO3] in a 0.500 molar solution of H3PO3
What % of the bromide ions remain in solution, i.e., unprecipitated, just before silver chloride begins to precipitate? Ksp for AgCl=1.8x10^-10, Ksp for AgBr=3.3x10^-13
What is the pressure in a 10.0 L cylinder filled with 0.470 mol of nitrogen gas at a temperature of 329 K ?
a kno3 solution is made using 96.4g of kno3 and diluting to a total solution volume of 1.20l. what is the the molarity
If you use a liter ( 1000mL) bottle of oil in your engine, how much heat is produced in kcal? In BTU? The density of motor oil is .82g/mL
a 95.0 gram piece of copper wire is heated to 89.2?c and thenplaced in a calorimeter containing water at 20.4?c. the
1. Average speeds of gas particles (give answers in m/s) a. Calculate the average speed of Hg vapor atoms at 500oC b. Calculate the root-mean-square speed
Determine the mass percent of CH3COOH in this solution if density of vinegar is 1.01 g/mL? Also calculate mole fraction of acetic acid in this solution and molality of this solution?
In the laboratory a student finds that it takes 96.8 Joules to increase the temperature of 14.3 grams of solid diamond from 24.0 to 38.1 degrees Celsius.
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