How much work is done by the sun on the earth each year
The sum exerts a gravitational force of 4.0 * 10^28 N on the earth, and the earth travels 9.4 * 10^11 m in its yearly orbit around the sun. How much work is done by the sun on the earth each year?
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Assuming H and S do not vary with temperature, at what temperature will the reaction shown above become spontaneous?
After he has evaluated each project against the evaluation criteria, how should he decide the priority of the three projects?
An aqueous CaCl2 solution has a vapor pressure of 82 mm Hg at 50C. The vapor pressure of pure water at this temperature is 92.6 mmHg. What is the concentration of CaCl2 in mass percent?
How many liters of oxygen gas can be produced at STP from the decomposition of 0.125 L of 3.00 M H2O2 in the reaction according to the chemical equation shown below?
A piece of a newly synthesized material of mass 25.0g at 80 degrees C is placed in a calorimeter containing 100g of water at 20 degrees C. If the final temp of the system is 24 degrees C, what is the specific heat capacity of this material?
How many molecules of would be formed from the reaction mixture that produces the greatest amount of products?
A rod of steel is 20 m long at a temperature of 200C. find the free expansion of the rod when the temperature is raised to 650C. Find the temperature stress produced.
Calculate the amount of heat required to completely sublime 99.0 g of solid dry ice CO2 at its sublimation temperature. The heat of sublimation for carbon dioxide is 32.3 KJ/Mol
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