Heat of vaporization of water related problem
How much heat in kilojoules is needed to convert 856 g of water 100 degrees celcius to steam at 126 degrees celcius? (the specific heat of steam is 1.99 J/g(C), the heat of vaporization of water is 40.70 kJ/mol).
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Which characteristic defines the main difference between a basic buffer system and an acidic buffer system?
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A compound contains 69.94 percent iron and 30.06 percent oxygen. What is its molecular formula if the molar mass of the compound is 199.55 grams per mole
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