Can you answer my assignment? Document Preview: Problem Set 1 (Thermal Expansion, Heat measurements & Heat transfer) Solve the following problems Copy the problem, show complete/detailed solution, use one bond per problem and box the final answer. You can find the constant needed in solving the problems from the book (if not given). A steel tank is completely filled 2.80 m3 of ethanol when both the tank and the ethanol are at a temperature of 32?C. When the tank and its contents have cooled to 18.0?C, what additional volume of ethanol can be put into the tank? (see ? of ethanol from the book) A carpenter builds an exterior house wall with layer of wood 3.0 cm thick and a layer of Styrofoam insulation 2.2 cm thick on the inside wall surface. The wood has k = 0.080 W/m.K and the Styrofoam has k = 0.010 W/m£K. The interior surface temperature is 19.0?C and the exterior surface temperature is -10?C. What is the temperature at the plane where the wood meets the Styrofoam? What is the rate of heat flow per square meter through this wall? (a) A wire that is 1.50 m long at 20?C is found to increase in length by 1.90 cm when warmed to 420?c. Compute its average coefficient of linear expansion for this temperature range. The wire is stretched just taut (zero tension) at 420?C. Find the stress in the wire if it is cooled to 20?C without being allowed to contract. Youngs modulus for the wire is 2.0 X 1011 Pa. How many grams of steam at 100?C should be used to melt 500 g of ice at 0?C and raise the resulting water to a temperature of 35?C? An insulated beaker of negligible mass contains 0.25 kg of water at a temperature 0f 75?C. How many kilograms of ice at a temperature of -20?C must be dropped into the water to make the final temperature of the system 30?C? A 50 g ice cube at -20?C is dropped into a container of water at 0?C. How much water will freeze onto the ice? The brick of wall (k = 0.6 W/m£C?) of a building has dimensions of 4 m X 10 m and is 15 cm thick. How much heat (in joules) flows through the Attachments: PHY12-Problem.docx; Can you answer my assignment? Document Preview: Problem Set 1 (Thermal Expansion, Heat measurements & Heat transfer) Solve the following problems Copy the problem, show complete/detailed solution, use one bond per problem and box the final answer. You can find the constant needed in solving the problems from the book (if not given). A steel tank is completely filled 2.80 m3 of ethanol when both the tank and the ethanol are at a temperature of 32?C. When the tank and its contents have cooled to 18.0?C, what additional volume of ethanol can be put into the tank? (see ? of ethanol from the book) A carpenter builds an exterior house wall with layer of wood 3.0 cm thick and a layer of Styrofoam insulation 2.2 cm thick on the inside wall surface. The wood has k = 0.080 W/m.K and the Styrofoam has k = 0.010 W/m£K. The interior surface temperature is 19.0?C and the exterior surface temperature is -10?C. What is the temperature at the plane where the wood meets the Styrofoam? What is the rate of heat flow per square meter through this wall? (a) A wire that is 1.50 m long at 20?C is found to increase in length by 1.90 cm when warmed to 420?c. Compute its average coefficient of linear expansion for this temperature range. The wire is stretched just taut (zero tension) at 420?C. Find the stress in the wire if it is cooled to 20?C without being allowed to contract. Youngs modulus for the wire is 2.0 X 1011 Pa. How many grams of steam at 100?C should be used to melt 500 g of ice at 0?C and raise the resulting water to a temperature of 35?C? An insulated beaker of negligible mass contains 0.25 kg of water at a temperature 0f 75?C. How many kilograms of ice at a temperature of -20?C must be dropped into the water to make the final temperature of the system 30?C? A 50 g ice cube at -20?C is dropped into a container of water at 0?C. How much water will freeze onto the ice? The brick of wall (k = 0.6 W/m£C?) of a building has dimensions of 4 m X 10 m and is 15 cm thick. How much heat (in joules) flows through the Attachments: PHY12-Problem.docx
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