1. A human hand is approximately 0.4 kg. Suppose an average rotisserie chicken has mass 1 kg and specific heat 2720 J kg¬! K-!. If we could assume that all of the mechanical energy of the hand were transferred as heat into the chicken when the chicken is slapped, with what speed would the hand need to slap a chicken starting at 0°C in order to cook it to 205°C in a single slap?

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5. A 200-g metal container insulated on the outside, holds 100 of water in thermal equilibrium at 22°C.A 20-g ice cube, at the melting point, is dropped into the water, and when thermal eauiliorium is reached the temperature is n 15°C. Assume there is no heat exchange with the Surroundings. For water, the seecific heat is 4190 Te ond the latent heat of fusion is 3.34•10 g. J a) What is the specific heat of the metal container? bJ What is the total change in entropy? Calculate the entropy Change for each process independentV ond odd them to get the final result. Is this result consistent with the Second low of Thermodynamics Explain.

1. A rigid vessel contains 5kg of wet steam (water) at 0.4 MPa. After the addition of 9585 kJ of heat, the steam has a pressure of 2.0 MPa and a temperature of 700°C Determine (a) the initial quality, (b) internal energy, and (c) specific volume of the steam.