1. A block of an alloy of mass 27.0 g and at a temperature of 277.22...

1. A block of an alloy of mass 27.0 g and at a temperature of 277.22 K is placed in a calorimeter containing 41.0 g of water at 357.74 K. If the final temperature of the alloy and water is 303.59 K, calculate the specific heat (in J/g/K) of the metal. The specific heat of water is 4.184 J/g/K. Express your answer to three significant figures in scientific notation.

2.A 0.439 g sample of solid N(CH₃)₄Cl (s) is dissolved in 494 mL of water in a coffee cup calorimeter. Once all of the N(CH₃)₄Cl (s) is dissolved in the water, the final temperature of the solution is found to be 13.59°C. If the initial temperature of the water in the calorimeter was 23.49 °C, calculate the calorimeter constant (in J/K) for the coffee cup calorimeter. Report your answer to three significant figures. The heat of solvation of N(CH₃)₄Cl (s) is 4.08 kJ/mol.

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queen_honey_blossom answered 9 months ago

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