Calorimeter constant of the calorimeter
Sucrose (table sugar) has the formula C12H22O11 (molar mass=342.30 g/mol) and a food value of 6.49 kJ/g. Determine the calorimeter constant of the calorimeter in which the combustion of 2.360 g of sucrose raises the temperature by 1.81°C.
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Compare the entropy difference between 1 mol of liquid water at 25C and 1 mol of vapor at 100C and 1.01325 bar. The average specific heat of liquid water may be taken as 4.2 J K-1 g-1, and the heat of vaporization is 2259J g-1.
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For the synthesis of potassium alum, advantage is taken by the fact that aluminum hydroxide is amphoteric, meaning it can react as an acid(with a base) or as a base (with an acid).
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Ammonium nitrate decomposes to N2O and water at temperatures between 250°C and 300°C. Write a balanced chemical reaction describing the decomposition of ammonium nitrate, and calculate the standard hate of reaction using the appropriate en
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