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Exactly 37.2mL of hydrogen is collected over water at 29C and 745.0 torr. The vapor of water at 29C is 30.0 torr. Explain what is the volume of dry hydrogen collected at S.T.P?
a fuel gas containing methane and ethane is burned with air infurnace producing a stack gas at 300c and 105kpaabsolute.
A gaseous reaction occurs at a constant pressure of 30.0 atm and releases 58.0 kJ of heat. Before the reaction, the volume of the system was 9.00 L.
Consider the decay series
The standard enthalpy of formation of carbon monoxide is more esothermic than the sum of the standard enthalpies of formation of methane and water.
What are the concentrations of the gases at equilibrium, if the initial concentration of carbon monoxide and water vapor are both equal to 0.325 M. Can you explain me what is the formula and how did you do it
Description of physical chemistry, Find delta Smix, delta Gmix, delta Hmix, and delta Vmix if 125 g of benzene and 25 g of naphthalene are mixed at 60 degrees C.
A solution is prepared by dissolving 249 g of sucrose (C12H22O11) in 624 g of water. What is the vapor pressure of this solution at 30°C. (The vapor pressure of water is 31.8 mmHg at 30°C.)
Would you expect the packing efficiency of atoms in a crystalline solid be greater or less than that in the liquid form of the same element. Explain
Which of the following has the greatest buffer capacity. a) 0.40 M CH3COONa/0.20 M CH3COOH, b) 0.40 M CH3COONa/0.60 M CH3COOH, and c) 0.30 M CH3COONa/0.60 M CH2COOH.
A 1.00L solution containing 3.50x10^-4M Cu(NO3)2 2.20x10^-3M ethylenediamine(en). The kf for Cu(en)2+ is 1x10^20. What is the concentration of Cu2+(aq) in the solution
17the decomposition of dinitrogen pentaoxide has an activation energy of 102 kj/mol and delta H =+55 kj/mil. What is the activation energy for the reverse reaction
Complete and balance each of the following equations for acid-base reactions. Express your answer as a chemical equation. Identify all of the phases in your answer.
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