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Using heat of fusion, specific heat of water, and/or heat of vaporization, calculate the amount of heat energy in each of the following. calories to condense 135 g of steam at 100^{circ}{rm C} and to cool the liquid to 15^{circ}{rm C} (two steps)
Calculate the average molecular weight of a gaseous mixture with the following composition on a mole % basis: CH4= 30%, H2= 10% and N2= 60%.
If the surface area of a human body is 16,100 square centimeters, what is the total weight of the atmosphere on a human body
When a 1.50x102 g strip of zinc is dropped into a large beaker containing excess hydrochloric acid, how many grams of gas are formed?
Molar concentration, 2.20g of solid NaOH are added to 250mL of a 0.10M FeCl2 solution. Given that Ksp for Fe(OH)2 is 1.6 x 10 -14, calculate the following
CS2(l) + 3O2(g) -> CO2(g) + 2SO2(g) What volume of O2 is required to react with excess CS2 to produce 4.0 L of CO2? Assume all gases are measured at 0oC and 1 atm.
A balloon 15m in diameter is inflated with helium at 20 degrees Celsius. How much work is done during inflation against an external pressure 1atm.
A quanity of oxygen gas was collected over water at 30 c in a 475 mL container. The pressure in the container was measured to be 105 kPa. How many grams of oxygen gas were collected?
How many liters of water vapor can be produced if 13.3 liters of methane gas (CH4) are combusted, if all measurements are taken at the same temperature and pressure?
The solubility of benzoic acid in water is 6.80g per 100mL at 100 degrees Celcius. Calculate the minimum volume of water needed to dissolve 1.00g benzoic acid at 100o^C
calculate the theoretical moles of NaOH that should be necessary to reach the equivalence point
Show the Chemical behavior of an atom - The chemical behavior of an atom is determined by most directly by the
Calculate the molar mass of sucrose. How many mol sucrose did you start with in this lab?
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