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  3. 1. a block of an alloy of mass 27.0 g and at a tem

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

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Chemistry

1. A block of an alloy of mass 27.0 g and at a temperature of277.22 K is placed in a calorimeter containing 41.0 g of water at357.74 K. If the final temperature of the alloy and water is 303.59K, calculate the specific heat (in J/g/K) of the metal. Thespecific heat of water is 4.184 J/g/K. Express your answer to threesignificant 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. Onceall of the N(CH3)4Cl (s) is dissolved in thewater, the final temperature of the solution is found to be13.59°C. If the initial temperature of the water in the calorimeterwas 23.49 °C, calculate the calorimeter constant (in J/K) for thecoffee cup calorimeter. Report your answer to three significantfigures. The heat of solvation of N(CH3)4Cl(s) is 4.08 kJ/mol.

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