### How many calories of heat needed to increase the temperature

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1. Assume that the specific heat of the water(H2O) 1.00 caVg x"C then calculate how many calories of heat are needed to increases the temperature of 550 grams H2O from 12 degree celsius to 18 degree celsius?

2. Using a sample of vinegar that is found to contain 8.3% CH3COOH (acetic acid ) and have a density of 1.006 g/ml you need to calculate that how many grams of CH3COOH(acetic acid ) are present in 1.60L of this solution of vinegar?

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