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A student combusts 504.96 grams of ethene gas, C2H4. How many liters of CO2 (g) are produced at a pressure of 0.993 atm and a temperature of 295 K? C2H4 (g) + 3 O2 (g)-> 2 CO2 (g) + 2 H2O (g)
The average person generates about 2500 Kcal of heat a day. How many kilowatt-hours of energy is this? If walking briskly dissipates energy at 500 W, what fraction of the day's energy does walking one hour represent.
How many millimeters of 0.0700 M EDTA are required to react with 50.0 mL of 0.0140 M Cu2+?, b) With 50.0 mL of 0.0140 M Sc3+?
Explain what it means that the atomic mass of naturally occurring Ag, is a mixture of its two isotopes forms, is 107.868 u.
Buffering capacity You want a solution that will buffer the addition of either 10 micromoles of acid or 10 micromoles of base. Total buffer concentration is equal to the concentration of the acid plus the concentration of salt of the acid
Calculate concentration of NaClO solution from that equation and calculate How many grams of this nuclide in a sample of 4.00 g will remain after 112 years?
Determination of the partial pressures of the gases - Find the partial pressure of each of these gases in the final product mixture.
Calculate both the molar and molal concentration of water (H2O) in a solution of pure water when the water is at 10C and 30C. Use an accurate molecular weight for water
How much sodium nitrate (NaNO3), in grams, should be added to water to prepare .05L of solution with a molarity of .25M?
The density of air at ordinary atmospheric pressure and 25 0C is 1.19 g/L. What is the mass of air, in kg, in a room that measures 12.5 ft by 15.5 ft by 8.0 ft?
When a ketone is treated with LiAlH4 followed by addition of water, what general class of product results?
Ozonolysis from unknown compound, A compound, A, c6h8, yields a single organic product, B, upon ozonolysis and absorbs two moles of hydrogen on catalytic hydrogenation to give C.
Determine the precipitate that forms if silver nitrate aqueous solutions and KCl react to produce products in a double-replacement reaction.
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