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The temperature of a sample of an ideal gas confined in a 2.0 L container was raised from 27 °C to 77 °C. If the initial pressure of the gas was 1200 mm Hg, what was the final pressure of the gas?
A lime-soda softening plant treats a flow of 150 MGD, and the water has 86 mg/l CO2. The commercial grade of quicklime has a purity of 85% and the soda ash has a purity of 95%. Determine: The pounds of quicklime and soda ash required per million ga..
The density of carbon in the form of diamonds is 3.51 g/cm^3. If you have a 40-carat spherical diamond, what is the diameter of the diamond in millimeters?
Phosphorus-32 has a half-life of 14.0 days. Starting with 6.00g of 32P, how many grams will remain after 84.0 days?
Consider a glass of 262 mL of water at 28°C. Calculate the mass of ice at -15°C that must be added to cool the water to 10°C after thermal equilibrium is achieved.
Synthetic rubber is prepared from butadiene, C4H6. About how many monomers are needed to make a polymer with a molar mass of 108000 g/mol
Determine the subsequent reaction at equilibrium. Define what effect will increasing the temperature have on the system. C3H8(g)+5O2(g) 3CO2(g)+4H2O(l) H=-2220kj
A pound of coffee beans yields 50 cups of coffee (4 cups = 1 qt). How many milliliters of coffee can be obtained from 5 g of coffee beans?
Explain A certain gaseous hydrocarbon is found to be 88.8% C and 11.2 % H by mass. If the compound has a density of 2.12g/L at 31 Celcius and 742 torr. Define what is the molecular formula of the compound
The decomposition of hydrogen peroxide is a first-order process with a rate constant of 1.06 x 10-3 min- 1. How long will it take for the concentration
The mole fraction of potassium nitrate in an aqueous solution is .0194. The density of the the solution is 1.0627 g/mL. Calculate the molarity of the solution.
What is the Freezing point of an aqueous glucose solution that has 25.0g of glucose, C6H12O6, per 100.06 H2O (Kf=1.86)
Determine the molar mass of the nonelectrolyte if the osmotic pressure of the solution = 23.6 atm, also express your answerin g/mol?
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