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Sulfuric acid is a diprotic acid with the formula H2SO4. Phosphoric acid is a triprotic acid with the formula H3PO4. Which will have a lower pH as aqueous solutions? A 1 M solution of H2SO4 or a 1M solution of H3PO4? Explain with words and equations.
In an adiabatic compression if one mole of an ideal gas with a Cv=5R/2, the temperature rises from 293 K to 325 K. Calculate the heat, work, change in enthalpy and change in internal energy
Is the amount of sodium bicrbonate sufficient to react with benzoic acid. The amount of Benzoic Acid in ex. 1 is 0.060 Grams
What is the enthalpy change for the reverse reaction. Hreverse = kJ/mol. (b) Balance the forward reaction with whole-number coefficients. What is H for the reaction represented by this equation? H = kJ/mol.
The overall reaction for the corrosion of iron by oxygen is given by the following reaction. 4Fe (s) + 3O2 (g) ?? 2Fe2O3 (s) Compound ?H° (kJ/mol) S° (J/mol K) Fe (s) 0 27 O2 (g) 0 205 Fe2O3 (s) -826 90 Calculate the equilibrium constant, Keq, for..
if 5.50 mol calcium carbide reacts with an excess water, how many moles of acetylene will be produced?
How many grams of P2O5 gas are present in a 750 ml container that is at 75 degrees C and at a pressure of 590 mm Hg?
A reaction takes place inside a constant pressure calorimeter. The heat absorbed by the calorimeter is measured to be +15J.
Calculate the standard cell potential (E) for the reaction X(s)+Y+(aq) -> X+(aq)+Y(s) if K = 5.33 x 10^-3. Express your answer to three significant figures and include the appropriate units.
A gas sample containing 1.65 mol at 25°C exerts a pressure of 413 torr. Some gas is added to the same container, and the temperature is increased to 50.°C.
Calculate the pH of the resultant solution of mixing together two solutions of 2 L of 1.0 M acetic acid, 0.5 L of 1.0 M sodium acetate and then adding 8 g of solid NaOH (MW = 40.0 g/mol)
A gaseous mixture of and contains 35.8 nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 585 ?
In the synthesis of t-butyl chloride from t-butyl alcohol, what is the purpose of using concentrated HCl instead of dilute HCl
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