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A coffee cup calorimeter having a heat capacity of 451 J/oC was used to measure the heat evolved when 0.0300 mol of NaOH(s) was added to 1000 mL of 0.0300 M HNO3initially at 23.000oC. The temperature of the water rose to 23.639oC. Calculate H (in kJ/mol NaNO3) for this reaction. Assume the specific heat of the final solution is 4.18 J/goC; the density of each solution is 1.00 g/mL; and the addition of solid does not appreciably affect the volume of the solution.
Question- Part a) Write the equation for the combustion of two moles of methanol with oxygen into carbon dioxide and liquid water. Part b) Calculate the delta H, delta S, and delta G at 25 degrees Celsius and delta G at 100 degrees Celsius for the r..
What reagents would you recommend and what mass of each one would you use to match the concentrations of Na+, Cl-, Mg2+, Ca2+ and SO42- given in the table above?
X rays have wavelength on the order of 1*10^-10m. calculate the energy of 1.0*10^-10m X-rays in units of kilojoules per mole of X rays.AM radio waves have wavelength on the order of 1*10^4m. calculate the energy of 1.0*10^4m radio waves in units o..
A sample of hydrogen is collected in a eudiometer at a temp of 23C. If the atm is 735 torr, what is the pressure of the carbon dioxide
The standard free energy change for a chemical reaction is +21.9kJ/mole. what is the equilibrium constant for the reaction at 87 degrees?(R=8.314J/K mole.
Extract polyphenol oxidase from mushroom and to to examine the effect of substrate concentration on the rate of the browning reaction.
explain methods of industrial preparation of
calculate what volume of each 0.50M solution should be mixed to give a total volume of 50.0mL AND the reactants in the correct stoichiometry. Also write a data table in the space given
The mass of a single copper atom is 1.06E-22 grams. How many copper atoms would there be in 318 milligrams of copper?
Complete the following reactions by replacing the question mark with the appropriate formula. Choose the correct enzyme or enzyme class.
An analysis of sodium dichromate gives the following mass percentages: 17.5% Na, 39.7% Cr, and 42.8% O. What is the empirical formula of the compound?
1. Can you think of a few of our modern day technology which would not work without the quantum theory being true? 2. Can larger objects like stones and airplanes flying at a great speed exhibit wave properties?
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