By supplying 363 kJ of heat, you increase the temperature of a metal block by 27...
By supplying 363 kJ of heat, you increase the temperature of a metal block by 27 degrees C. If the metal block weighs 32 kg, find the specific heat capacity( in J/kgK)
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By supplying 363 kJ of heat, you increase the temperature of a
metal block by 27...
1.A metal object at 38.0 oC is heated by gaining 11.5 kJ of heat from the...
1.A metal object at 38.0 oC is heated by gaining 11.5 kJ of heat from the environment. The heat capacity, C, of the metal object is 1.55 kJ/ oC. (Note: NOT the specific heat, which has units of J/ g oC) What is the final T? 2.A metal cube loses 3.358 kJ of heat. (i.e., q = -3.358 kJ) The metal has mass of 135.6 grams. The initial temperature of the metal before the heat loss is is 158.0...
What is the pressure inside a 0.300cm3 box containing 400mol of Ar atoms, at 40oC? A...
What is the pressure inside a 0.300cm3 box containing 400mol of Ar atoms, at 40oC? A 70 kg metal block with a specific heat capacity of 385 J/kgK is placed into 30 kg of water (specific heat capacity = 4180 J/kgK). The metal block was originally at 50oC and the water was originally at 10oC. What is the final temperature in Celsius for both?
2) A student boils a metal block for 2 minutes and the temperature of the boiling...
2) A student boils a metal block for 2 minutes and the temperature of the boiling water is 105.1 °C. the metal block has a mass of 250.42 g. The metal object is removed from the boiling water and submerged in 130.00 mL of water at 23.7 °C. The equilibrium temperature was 36.9 °C. a) Assuming no heat was lost to the surrounding, determine the specific heat capacity of the metal. (6 points) b) Calculate the percent error if the...
After absorbing 1.75 kJ of heat, a 0.454 kg block of nickel has a temperature of...
After absorbing 1.75 kJ of heat, a 0.454 kg block of nickel has a temperature of 36.3°C. What was its temperature before heating? (The specific heat of nickel is 0.440 J/gK Give answer in Celsius
After transfer of 1.60 kJ of thermal energy to a 0.451-kg block of copper the temperature...
After transfer of 1.60 kJ of thermal energy to a 0.451-kg block of copper the temperature is 44.1 °C. The specific heat capacity of copper is 0.385 J g-1 °C-1. Calculate the initial temperature of the copper.
1. How much heat is needed to raise the temperature of 3 kg of water from...
1. How much heat is needed to raise the temperature of 3 kg of water from 20oC to 40oC? Give answer in kJ (1kJ = 1000 J) (round answer to 3 sig fig) 2. How much heat is needed to raise the temperature of 3 kg of ice from -40oC to -20oC? (round answer to 3 sig fig) Specific heat of water: C = 4180 J/kgK Specific heat of ice: C = 2090 J/kgK Specific heat of ethanol: C= 2440...
A 1.10 kg sample of a metal sample absorbs 43.5 kJ of heat, resulting in a...
A 1.10 kg sample of a metal sample absorbs 43.5 kJ of heat, resulting in a temperature rise of 65.0 °C. What is the specific heat capacity of the metal?
What is the heat capacity of a 20.2-kg block of ice? The specific heat capacity of...
What is the heat capacity of a 20.2-kg block of ice? The specific heat capacity of ice is 2.10 kJ/kg K. kJ/K It takes 880 J to raise the temperature of 350 g of lead from 0°C to 20.0°C. What is the specific heat of lead? kJ/(kg K) A heating coil inside an electric kettle delivers 3.20 kW of electric power to the water in the kettle. How long will it take to raise the temperature of 0.390 kg of...
At a fabrication plant, a hot metal forging has a mass of 75 kg and a...
At a fabrication plant, a hot metal forging has a mass of 75 kg and a specific heat capacity of 430 J/(kg · °C). To harden it, the forging is immersed in 710 kg of oil that has a temperature of 32° C and a specific heat capacity of 2500 J/(kg · °C). The final temperature of the oil and forging at thermal equilibrium is 48° C. Assuming that heat flows only between the forging and the oil, determine the...
A block of material requires 20 kJ of heat energy to increase its temperature from 25...
A block of material requires 20 kJ of heat energy to increase its temperature from 25 °C to 30 °C. How much heat energy is required to increase the temperature of the block from 50 °C to 55 °C? WTF. There is not enough information provided to answer the question. 40 kJ O 25 kJ O 100 kJ 20 kJ
2) A student boils a metal block for 2 minutes and the temperature of the boiling water is 105.1 °C. the metal block has a mass of 250.42 g. The metal object is removed from the boiling water and submerged in 130.00 mL of water at 23.7 °C. The equilibrium temperature was 36.9 °C. a) Assuming no heat was lost to the surrounding, determine the specific heat capacity of the metal. (6 points) b) Calculate the percent error if the...
What is the heat capacity of a 20.2-kg block of ice? The specific heat capacity of ice is 2.10 kJ/kg K. kJ/K It takes 880 J to raise the temperature of 350 g of lead from 0°C to 20.0°C. What is the specific heat of lead? kJ/(kg K) A heating coil inside an electric kettle delivers 3.20 kW of electric power to the water in the kettle. How long will it take to raise the temperature of 0.390 kg of...
A block of material requires 20 kJ of heat energy to increase its temperature from 25 °C to 30 °C. How much heat energy is required to increase the temperature of the block from 50 °C to 55 °C? WTF. There is not enough information provided to answer the question. 40 kJ O 25 kJ O 100 kJ 20 kJ
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