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When 8 liters of hydrogen gas and 4 liter of oxygen gas react to form water at a constant temperature and pressure, how many liters of water vapor (steam) will be formed?
1. a fixed amount of gas at 20 degrees celsius occupies a volume of12.0l under pressure of 650 torr. calculate its
A solution is .855% HNO3 by mass. Density of the solution is 1.01 g/mL. Find [H+], [OH-], and pH.
for a helium aton in a one-dimensional box calculate the value of the quantum number of energy level for which the energy is equal to 3/2kt at 25 degrees c for a 1nm long box
liquid hexane c6h14 undergoes combustion. if 93.1 g of hexane combusts in the presence of excess oxygen how many g of
Nitrogen and hydrogen combine at high temperature, in the presence of a catalyst, to produce ammonia. N2(g) + 3H2(g) --> 2NH3(g) Assume 0.170 mol of N2 and 0.543 mol of H2 are present Initially
Ammonia gas enters the reactor of a nitric acid plant mixed with 30% more dry air than is required for the complete conversion of the ammonia to nitric oxide and water vapor. If the gases enter the reactor at 75°C (167°F), if conversion is 80%, if no..
you reacted 11.5 grams of sodium sulfate and 55.0 ml of 0.500 M barium nitrate, how many grams of barium sulfate are made.
A 5% solution by weight of an unknown non-electrolyte in water has a density of 1.018 g/mL if this solution exhibits an osmotic pressure of 3.57 ATM at 25C what is the MM of the unknown
Problem- Which is harder analytical chemistry or organic chemistry 1. I have the option of choosing either to retake orgo 1 or take analytical. I previously took organic chemistry 1 and didn't do too well.
A buffer consists of 0.20 M KHCO3 and 0.44 M K2CO3. Carbonic acid is a diprotic acid with Ka1 = 4.5 multiplied by 10-7 and Ka2 = 4.7 multiplied by 10-11.
Suppose a solution contains 0.28 M Pb2 and 0.48 M Al3. Calculate the pH range that would allow Al(OH)3 to precipitate but not Pb(OH)2.
How much stomach acid was neutralized by the 4.3628 g tablet. How much stomach acid would have neutralized by the original 5.6831 tablet
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