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Calculate the enthalpy of the reaction: 2NO(g) + O2(g) --> 2NO2(g) given the following reactions and enthalpies of formation:1/2 N2(g) + O2(g) --> NO2(g), delta H *A = 33.2 kJ1/2 N2(g) + 1/2O2(g) --> NO(g), delta H *B= 90.2 kJ
The activation energy for the following reaction is 60. kJ/mol. Sn2+ + 2Co3+ → Sn4+ + 2Co2+ By what factor (how many times) will the rate constant increase.
If all four gases had initial concentrations of 0.650 M, calculate the equilibrium concentrations of the gases.
A 100.0 mL sample of 0.10 M NH3 is titrated with 0.10 M HNO3. Compute the pH of the solution before the addition of any HNO3. Kb of NH3 =1.8 × 10-5.
How many milliliters of 5.00 M HCl solution are needed to provide the 1.50 moles of HCl needed for a reaction?
The constant pressure molar heat capacities of ice and water are 37.7 J/ mol K and 75.3 J/ mol K respectively. The molar enthalpy of fusion of ice is 6.01 kJ/ mol at 0.00° C. The system consists of a 105 gram sample of H2O, initially in the form o..
Determine the mass of copper(II) sulfate, CuSO4 will remain after removing all the H2O(water) from 74 grams of CuSO4 5H2O (Also called Blue Vitriol and Bluestone)?
Enantiomers and Order of Elution, The enantiomers (R and S forms) of the following chiral alcohols need to be separated by a suitable CHIRAL SEPARATION method.
A sodium thiosulfate, Na2S2O3, solution has a concentration of 0.150 M. An end point for this titration occurs when 32.89 mL of the sodium thiosulfate solution reacts with 24.80 mL of I2 solution.
How much energy (in calories) is needed to heat 8.0 cm3 of fat from room temperature (25 c ) to its melting point (35 c )?
Given mass of a gas 0.26g, pressure is 763mmHg and volume of 147mL.by using an ideal gas law calculate the molar mass of the gas
Given that the solubility product for La(IO3)3 is 1.0 x 10-11, what is the concentration of La3+ in a saturated solution of lanthanum iodate?
What is the molarity of a solution of 12.0 g of NH4Br in enough H2O to make 240 mL of solution?Answer in units of M.
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