Problem related to sublimation temperature
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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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?
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.
What mass of magnesium, in reaction with an excess of hydrochloric acid, is needed to produce 128 mL of hydrogen (H2) gas?
The solution has a vapor pressure of 262 . Pure pentane and hexane have vapor pressures of 425 and 151 , respectively, at room temperature. What is the mole fraction of hexane? (Assume ideal behavior.)
Calculate the number of water molecules that can be prepared from 664 H2 molecules and 664 O2 molecules.
Consider 54.5 mL of a solution of weak acid HA (Ka = 1.00 10-6), which has a pH of 3.700. What volume of water must be added to make the pH = 6.000?
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