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Consider the reaction C12H22O11(s) + 12O2(g)12CO2(g) + 11H2O(l) in which 10.0 g of sucrose C12H22O11, was burned in a bomb calorimeter with a heat capacity of 7.50 kJ/C. The temperature increase inside the calorimeter was found to be 22.0C. Compute the change in internal energy, E, for this reaction per mole of sucrose. State the change in internal energy in kilojoules per mole to three significant figures.
how many grams of methane ch4g must be combusted to heat 1.02 kg ofwater from 25.0c to 75.0c assuming h2ol as a
53.0 mL of a 1.70 M solution is diluted to a volume of 278 mL. A 139-mL portion of that solution is diluted using 189 mL of water.
A sealed glass jar has a small amount of water on the bottom. The rest of the volume in the jar is taken up by helium gas at a partial pressure of 526 Hg, and water vapor. If the total pressure inside the jar is 760. mmHg, what is the temperature ..
Explain why is it necessary to determine the temperature during the determination of the density of the sodium chloride solutions. Which factor, mass or volume utilized in calculating the density would be affected by temperature. Explain.
At 2000°C the equilibrium constant for the reaction is Kc = 2.4 103. 2 NO(g) N2(g) + O2(g) If the initial concentration of NO is 0.100 M, what are the equilibrium concentrations of NO, N2, and O2
The normal boiling point of methanol (CH3OH) is 64.7oC, and its molar enthalpy of vaporization is Hvap = 71.8 kJ/mol.
waters relatively high specific heat 4.184 jgdegc makes it an ideal coolant for automobile engines. how much heat from
Calculate the work for a process which one mole of NH3 gas is expanded from 1.0L to 20.0L in an isothermal reversible process at 300K.
Which of the following is the strongest oxidizing agent and which one is the weakest in acidic solution: Br2, H2O2, Zn, Cr2O7^2-
assuming 100 dissociationa calculate the molar concentration of h ions in a solution made by diluting 25 ml of 0.1 m
If an ionic equation has 2H+ (aq) on the left side as well as H2 (g) on the right. Are these species spectators as well as show how it worked out
Using an aqueous solution of Ba(NO3)2 the density of this solution is measured to be 3.640g/ml and this solution containing barium nitrate mole fraction of 0.01704. compute the molarity of this solution?
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