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Methanol burns in oxygen to form carbon dioxide and water. 2CH3OH+3O2=2CO2+4H2O ... Calculate the rxn of delta H, G & S at 25C
container it was heated to 800K, and at equilibrium the pressure of CO ws found to be .497 atm. Calculate the equilibrium constant Kp for the reaction.
A sample of magnesium wieghs 26.1 mg. How many moles of magnesium are there in the sample? Calculate the mass of one mole of the ionic compound that forms from strontium an dbromine.
A mixture of twenty five grams of potassium nitrate(KNO3) and two grams of CuSO4*5H20 with 11.5 grams of water at 100 degree celcius temperature, 15 g ramsof water are mixed.
A solution is prepared with initial concentrations of .038 M AL^3+ and .29 M NaF. If the Kf for AlF6^3- is 7.0 * 10^19, what is the concentration of Al^3+ (aq) at equilibrium?
the gravitational force exerted on a solid object is given by F=mg, where F is the force in Newtons, m is the mass in kg and g is the acceleration due to gravity (9.81m/s^2)
Fe 2+(aq) + 6CN- (aq) -->/
One mole of sucrose weighs 342.3 grams. 1mol=6.02*10^23 molecules. Dietary fats (typically 18-20 carbons) contain about 9 dietary calories per gram. Assume all food consumed goes to making ATP
Many hospitals, and some doctors\' offices, use radioisotopes for diagnosis and treatment, or in palliative care (relief of symptoms such as pain). Some radioisotopes used in medicine are listed below.
Dehydration of 2-methyl-2-pentanol forms one major and one minor organic product. Draw the structures, including hydrogen atoms
.134 mol of KCl and .230 mole of CaCl2 were dissolved in water. Calculate the total of number of moles of Cl- of ions in the solution ?
how many moles of malic acid (C4H6O5) would this contain? d) Using the reaction stoichiometry for the chemical reaction of malic acid with NaOH (aq) shown in your lab manual, calculate how many mL of 0.200 M NaOH (aq) would be needed to react with..
A solution contains 0.35 mol of isopropanol (C3H7OH) dissolved in 0.85 mol of H2O. What is the molarity of this solution
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