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Calculate the power required to compress 10kg/s of air from 1atm and 57 degree C to 3atm and 707 degree C
T=310K, h=290.4 kJ/kgT=980K, h=1023 kJ/kg
What is the mass in grams of CO2 that would be produced if 52.0 g of C5H8O4 were allowed to react completely in excess oxygen?
The EPA limit for lead in the water supply is 15 parts per billion by mass. Calculate the number of lead ions present in 1.00 kg of water that is at the EPA limit for lead.
what is the main overall driving force for any spontaneous reaction or
A 4.78 L sample of H2O(g) reacts at a temperature of 375°C and a pressure of 692 mm Hg. How many grams of NH3 can be produced?
What is the freezing point of a 28.6% (by mass) aqueous solution of HCl. Assume the HCl is 100% ionized.
Determine the final volume (mL) for each of the following: a) diluting 2.50 mL of an 8.00 M KOH solution to give a 2.00 M KOH solution. b) diluting 50.0 mL of a 12.0 M NH4Cl solution to give a 2.00 M NH4Cl solution. c)diluting 75.0 mL of a 6.00 M ..
Identify the oxidizing agent and reducing agent. Determine the number of electrons transferred in the balanced chemical equation.
what is the minimum amount of KCN (in g) needed to react with 15.6 g of gold?
You have pure beta-D-glucopyranose of 100 grams nearly, it was dissolved in an ethanol/water combination with the intention to recrystallize the sugar. You get pure beta-D-glucopyranose crystals 60 grams back why this 40% loss was to happen.
Find the molar mass of a gas using the combined gas law if 950. mL of the gas collected over water at 750.0 mm Hg and 21.oC has a mass of 0.905 g
Air is 21 mole percent oxygen, that is, 0.21 atm oxygen at 1 atm. Suppose the pH of the water is 5.85 and that the concentration of iron(II) in the water is 8.97x 10-5 M, what is the potential of the corrosion reaction under the above conditions a..
a 260- flask contains pure helium at a pressure of 743 . a second flask with a volume of 470 contains pure argon at a
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