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if 8.734 grams of oxygen is allowed to expand to 3.38 times its volume, what is the change in enthropy for this process in kJ/K*mole. The atomic mass of oxygen is 16.00.
How many moles of ammonium ions are released when 1.6 mol of ammonium phosphate, (NH4)3PO4, is dissolved in water?
Draw the accepted mechanism for each reaction and illustrate how each stereoisomer is formed in the reaction.
calculate the equilibrium partial pressures of all gases in the reaction and set up the expression for Kp in terms of equilibrium partial pressures but do NOT solve.
Calculate the difference in pressure between methane and an ideal gas under these conditions. The van der Waals constants for methane
how many grams of sugar are in 15.0% concentrated solution with a total mass 125 g?
How many grams of NaOH and H2O are required to prepare 100 g of a 28.7% NaOH by weight solution?
consider a stone column 3.00 ft in diameter and 10.00 ft high. What is is mass in pounds if its density is 3.50 g/mL.
Describe why this is based on the wavelength range that is transmitted. What color would you see if you mixed the two solutions with ?max = 520 and ?max = 610?
Calculate the pH of each of the following buffered solutions. to 1.00 L of each of the four solutions. (a) 0.100 M propanoic acid (HC3H5O2, Ka= 1.3 10-5) (b) 0.100 M sodium propanoate (NaC3H5O2)
At the start of the experiment, both thermometers record the same temperature. Why does, after 10 min, thermometer B record a lower temperature than thermometer A?
If 32mL of 7.0M H2SO4 was spilled, what is the minimum mass of NaHCO3 that must be added to the spill to neutralize the acid?
A 10.0 L vessel at 20*C contains butane, C4H10(g), at a pressure of 2.00 atm. What is the maximum amount of work that can be obtained by the combustion of this butane if the gas is first brought to a pressure of 1 atm and the temperature is brough..
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