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If the density of air at an ordinary atmospheric pressure and 25 degrees Celsius is 1.19g/L. what is the mass, in kilograms, of the air in the room that measures 12.5x15.5x8.0ft?
The concentration of SO42- (aq) in a sample of river water can be determined using a precipitation titration in which a salt of Ba+ (aq) is the standard solution and BaSO4 (s) is the precipitate formed. What is the concentration of SO42- (aq) in a..
calculate the concentration of calcium ion (in mg/L -1) in the water (25C). What assumptions are made in carrying out the calculation?
A solution is prepared by mixing 52.0 g glucose (C6H12O6) with 510.0 g water. What is the vapor pressure of this solution at 25°C
what concentration of nitrogen oxide is the rate 2.0x10^-6 mol/L-min and the bromine concentration one fourth of the nitrogen oxide concentration?
added 5 mL of 0.10 M H2SO4 instead of 5mL 0.10 M of HCl calculate the ph of the solution using henderson-hasselbalch
If you have a sample of a gas at 25.0 oC and at a pressure of 4.5 atm, what will the pressure be if the temperature is raised to 50.0 oC?
How many grams of CaCl2 would be dissolved in 1.2 L of a 0.10 M solution of CaCl2?
Suppose that 0.330 mol of methane, CH4(g), is reacted with 0.480 of fluorine, 0.480 mol, F2(g) forming CF4(g) and HF(g) as sole products. Assuming that the reaction occurs at constant pressure, how much heat is released
What volume in ml of 0.0293 M Ba(OH)2 is required to neutralize 25.00 ml of 2.00 M HN03
Calculate the pH of a solution prepared by dissolving 18.32 grams of benzoic acid and 43.23 grams of sodium benzoate in water sufficient to yield 1.00 L of solution.
A substance has a solubility of 350 ppm. How many grams of the substance are present in 1.0 L of a saturated solution.
When you breathe the following reaction will take place: C6H12O6 (s) + 6O2 (g) --> 6CO2 (g) + 6H2O(g), how many moles of glucose are needed to produce 100.0 g of water?
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