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4. A stainless steel lawn mower blade with a mass of 0.950 kg is being forged. During the hardening process, the steel is heated to 1075 degrees C and subsequently quenched in 20.0 L of water at 10.0 degrees C until a temperature equilibrium is reached. What is the final temperature (in degrees C) of the steel and water at equilibrium? (Cs,steel = 0.500 J g^-1 degrees C^-1; Cs,water = 4.195 J g^-1 degrees C^-1; dwater = 1.00 g mL^-1)