The heat evolved when a mole of octane undergoes
The heat evolved when a mole of octane undergoes complete combustion is 1303 kcal. This is called the heat of combustion. How many kcal of heat wil be generated when 148 grams of octane react with 952 grams of oxygen? Show calculations.
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By how much would the pH change, and in which direction, if we added to this solution enough base to neutralize 10% of the total acid?
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The heat evolved when a mole of octane undergoes complete combustion is 1303 kcal. This is called the heat of combustion. How many kcal of heat wil be generated when 148 grams of octane react with 952 grams of oxygen?
Calculate the de Broglie wavelength of an electron in the ground state of the H atom. Show that this wavelength is equal to the circumference of the "orbit"
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Dry ice (solid CO2) has a vapor pressure of 1 atm at -77.2 deg celsius and 2 atm at -69.1 deg celsius. Calculate molar enthalpy of sublimation for dry ice.
Some sulfuric acid is spilled on a lab bench. It can be neutralized by sprinkling sodium bicarbonate on it and then mopping up the resultant solution.
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