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A mixture of CO(g) and O2(g) in a 1.1 L container at 1100K has a total pressure of 2.2 atm. After some time the total pressure falls to 1.9 atm as the result of the formation of CO2. Find the amount of CO2 that form.
Ethanol melts at -114 celcius and boils at 78 celcius . The enthalpy of fusion of ethanol is 5.02 KJ/mol , and its enthalpy of vaporization is 38.56 KJ/mol.
The solubility of nitrogen in water exposed to the atmosphere, where the partial pressure of nitrogen is 593 mmHg, is 5.3 × 10-4 M. At the same temperature, what would be the solubility of pure nitrogen, at a pressure of 760 mmHg
Provide four reasons why we did not make N-methyl Prozac using the following route of B2H6, SOCl2, and 4-trifluoromethylphenol
1 if 50 kj of heat are given off by a chemical reaction in aqueous solution and all the heat is absorbed by the
An unknown mass of each of sand, initially at 24.0, absorbs 1970 of heat. The final temperature is 62.2 degrees C. Find the mass of sand.
The concentration of NaCl in solution is 0.25 M. What volume of solution contains 5.0 g NaCl. A. 1.4 L B. 73 mL C. 340 mL D. 2.9 L
An 80.0-gram sample of a gas was heated from 25 °C to 225 °C. During this process, 346 J of work was done by the system and its internal energy increased by 6275 J. What is the specific heat of the gas?
The barometric air pressure that day was 733 mm Hg. What is the pressure of the vapor inside the flask (in atmospheres) after the vapor had cooled and the students opened the flask momentarily?
Propane is often used for gas grills and is typically purchased by filling a propane tank with 20 pounds of propane. What is the enthalpy change when 18 pound of propane is burned?
A and B mix to form an ideal solution.what is the Gibbs energy of A in the solution as compare to the Gibbs energy
For a 5.0 gram sample of each of the following, what weight of water will be lost if the sample is heated to constant weight: CoCl?*9H?O; CuSO?*5H?O; ZnSO?*4H?O; BaCl?*2H?O.
Excluding water, what is the number of moles of each component present after reaction. What is the chemical equation for the equilibrium that you are using to determine the pH
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