Calculate calorimeter constant in joule per degree celsius
Consider 25.0 g of water at 21.7°C that are mixed with 25.0 g of water at 43.3°C in a foam cup calorimeter. The equilibrium temperature reached was 30.4°C. Calculate the calorimeter constant in J/°C.
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A solution is prepaired by mixing 90.0 mL of 5.00 M HCl adn 30.0 mL of 8.00 M HNO3. Water is then added until the final volume is 1.00 L. Calculate [H+], [OH-], and the pH of this solution.
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Dichloromethane has a vapour pressure of 10 Torr at -43.3 deg C and 40 Torr at -22.3 deg C. Calculate its enthalpy of vapourization in kJ/mol.
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A mixture of gases contains 0.26 mole CH4, 0.38 mole C2H6, and 0.18 mole C3H8. The total pressure is 1.50 atm. Calculate the partial pressures of the gases.
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