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Explain what is the molar Gibbs free energy for the formation of water vapor from hydrogen gas as well as oxygen at 400K?
What mass of water in grams is contained in 2.9 L of the vapor above this solution at 55 degree C. The vapor pressure of pure water 55 degree C is 118 torr. (Assume a van't Hoff factor of 1.9 for NaCl)
What product is formed from nitration of methyl benzoate. we put .20 ml methyl benzoate, .45 ml concentrated 18 M sulfuric acid in vial, immersed in ice and attached air condenser
A current of 3.78 A is pass through a Fe(NO3)2 solution. How long (in hours) would this current have to be applied to plate out 5.80 g of iron
The most important commercial process for generating hydrogen gas is the water-gas shift reaction: CH4(g) + H2O(g) CO(g) + 3H2(g) a)Use tabulated thermodynamic data to find
describe how will you prepare a supersaturated solution of potassium nitrate in water.
When solid copper is added to nitric acid, copper(II) nitrate, nitrogen dioxide, and water are produced. Write the balanced chemical equation for the reaction. (Use the lowest possible coefficients. Use the lowest possible coefficients. Include st..
3AgNO3 + Na3PO4 --> Ag3PO4 + 3NaNO3 Silver nitrate and sodium phosphate are reacted in equal amounts of 200. g each. How many grams of silver phosphate are produced?
How many grams of the element nickel are contained in 10.0 g of a 10.2 wt % solution of nickel sulfate hexahydrate, NiSO4 . 6H2O (FM 262.85)?
A 1.08 g sample of caffeine, C8H10N4O2, burns in a constant-volume calorimeter that has a heat capacity of 7.85 kJ/K. The temperature increases from 298.55 K to 303.37 K. What is the molar heat of combustion of caffeine (in kJ).
15.0 moles of gas are in a 8.00 litre tank at temperature of 24.6 degree celsius . calculate the pressurenbsp
a couple drops of phenophalein indicator and then was titrated with 8.1mL of NaOH until it turned pink. what is the concentration of NaOH?
If the value of Kc for the reaction between water vapor and dichlorine monoxide is 0.0900 at 25C. Find out the equilibrium concentrations of all three compounds if the starting concentrations of both reactants are 0.00388 M, with [HOCl]0 = 0.000 M..
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