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1) What volume (in liters) of water vapor will be produced when 38 L of H2 and 19 L of O2 react according to the equation given below? (assume that the reactants and product are all at the same temperature and pressure.)
2H2(g)+O2(g)--->2H2O(g)
2) Under constant pressure conditions a sample of hydrogen gas initially at 31C and 7.2 L is cooled until its final volume is 5.7 L what is its final temperature?
3) A gas-filled balloon with a volume of 2.15L at 1.20atm and 20C is allowed to rise to the stratosphere (about 30km above the surface of the earth) where the temperature and pressure are -23C and 3.00*10^-3 atm, respectively. calculate the final volume of the balloon.
4) At a birthday pool party, the temperature is 29.5C and the atmospheric pressure is 765.4mmHg. One of the decoration hellium balloons has a volume of 6.25L. what would be the volume of the balloon if it were submerged in a swimming pool to a depth where the pressure is 922.3mmHg and the temperature is 27.35C?
5) At what temperature (in C) will a sample of gas occupy 92.8L if it occupies 50.0L at 90.0C? (assume constant pressure).
If a sample containing 2.01 mL of nitroglycerine (density = 1.592 g/mL) is detonated, how many total moles of gas are produced?
Discuss two ways that ammonium compounds decompose when they are heated. What chemical reaction is involved in the thermal decomposition of ammonium persulfate?
Why are chromatographic peaks broader than would be expected solely on the basis of the random nature of solute migration
the growth rate drops 6 orders of magnitude and effectively reduces the crystallization rate to zero. Calculate the self-diffusion of this alloy system.
If the solubility of a gas is 7.5 g/L at 404 kPa pressure, what is the solubility of the gas when the pressure is 202 kPa?
To determine the number of molecules present in air using the ideal gas law and Avogadro's number - how many molecules of each type of gas are present in 1.0 L of air at STP?
what is the final temperature of the block after the evaporation of the alcohol? Assume that the heat required for the vaporization of the alcohol comes only from the aluminum block and that the alcohol vaporizes at 25'C.
To obtain the same antifreeze protection requires 76 g of propylene glycol to replace each 62 g of ethylene glycol. Calculate the mass of propylene glycol required to replace
Gold has a density of 19.3 g/cm3. How many pounds does a gold sphere weigh if it has a diameter of 5.20 inches?
Calculate the amount of heat required to completely sublime 51.0 g of solid dry ice (CO_2) at its sublimation temperature. The heat of sublimation for carbon dioxide is 32.3 kJ/mol .
What is the silver ion concentration in a solution prepared by mixing 357 mL of 0.392 M silver nitrate with 469 mL of 0.504 M sodium phosphate?
Consider the coordination of Cu2+ by the tridentate iminodiacetate ligand . When the monoprotonated form, , abbreviated HA , is added to an aqueous solution of Cu2+,
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