1 kg of lead shot at 98.1o C are poured into 1 kg of water at...
1 kg of lead shot at 98.1o C are poured into 1 kg of water at 25.0o C. Find the final temperature (in oC) of the mixture. Use cwater = 4187 J/kg oC and clead = 128 J/kg oC.
Homework Answers
A metal smith pours 2.1 kg of lead shot at 94.2°C into 1.3 kg of water...
A metal smith pours 2.1 kg of lead shot at 94.2°C into 1.3 kg of water at 24.3°C in an isolated container. What is the final temperature of the mixture? Give your answer to one decimal place Cwater-4.19 kJ/(kg"K), Clead -0.129 kJ/(kg K)
1.A metal smith pours 3.5 kg of lead shot at 93.0oC into 1.6 kg of water...
1.A metal smith pours 3.5 kg of lead shot at 93.0oC into 1.6 kg of water at 28.0oC in an isolated container. What is the final temperature of the mixture? Give your answer to one decimal place in units of oC. Cwater = 4.19 kJ/(kg*K), Clead = 0.129 kJ/(kg*K) 2. If heat is added to a material, the temperature must increase. True False 3. Cwater = 4.19 kJ/(kg*K) Cice = 2.06 kJ/(kg*K), Lfusion=334 kJ/kg Lvaporization=2260 kJ/kg How much heat (in...
Incorrect Question1 0/1 pts A metal smith pours 3.0 kg of lead shot at 95.1°C into...
Incorrect Question1 0/1 pts A metal smith pours 3.0 kg of lead shot at 95.1°C into 1.6 kg of water at 29.5°C in an isolated container. What is the fina temperature of the mixture? Give your answer to one decimal place in units of K Cwater = 4.19 kJ/(kg*K), Clead-0.129 kJ/(kg*K) 306.2 Qlead + Qwar0 miead Clead (T - Tead) + mvaterCwater (T - Twater0 erCuater (T-Later)
A metal smith pours 2.8 kg of lead shot at 94.5oC into 1.1 kg of water...
A metal smith pours 2.8 kg of lead shot at 94.5oC into 1.1 kg of water at 38.9oC in an isolated container. What is the final temperature of the mixture? Give your answer to one decimal place in units of K. Cwater = 4.19 kJ/(kg*K), Clead = 0.129 kJ/(kg*K) 2.If heat is added to a material, the temperature must increase. true or false 3. Cwater = 4.19 kJ/(kg*K) Cice = 2.06 kJ/(kg*K), Lfusion=334 kJ/kg Lvaporization=2260 kJ/kg How much heat (in...
1 kg of water at 70 oC is poured into a 1 kg copper cup initially...
1 kg of water at 70 oC is poured into a 1 kg copper cup initially at 20 oC. The specific heat of copper is ccopper= 390 J/kgoC⋅ and that of water cwater= 4,186 J/kgoC. What will be the equilibrium temperature of the system? In the previous problem, how much heat will the cup receive during this process
Ouestions 19-20. 1 kg of water at 80 °C is poured into a 1 kg glass...
Ouestions 19-20. 1 kg of water at 80 °C is poured into a 1 kg glass cup initially at 20 °C The specific heat of glass is cglass- 840Assume cwater 9 Cglass. kg.°C 19. What will be the equilibrium temperature? (a) 32 °C (b) 45 °C (c) 68 °C (d) 74 °C 20. How much heat will the cup receive in the process? (a) 45,360 J (b) 57,290 J (c) 63,120 J (d) 77,410.J
A metal smith pours 2.4kg of lead shot at 91.9 degrees C into 1.0kg kg of...
A metal smith pours 2.4kg of lead shot at 91.9 degrees C into 1.0kg kg of water at 21.4 degrees C in an isolated container. What is the final temperature of the mixture? Give your answer to one decimal place in units of K. C of water = 4.19kJ/(kg*K), C of lead = 0.129kJ/(kg*K)
2.4. Calorimeter problem to find the specific heat of lead: If 110 g of lead shot...
2.4. Calorimeter problem to find the specific heat of lead: If 110 g of lead shot at 120°C is dropped into 60 g of water at 25°C contained in a copper calorimeter of 45 g mass, what is the resulting temperature? [Given: Cwater = 1 cal/g/°C; Cpb = 0.031 cal/g/°C; Ccu = 0.093 cal/g/°C]
Suppose 0.385 kg of water initially at 39.5°C is poured into a 0.300 kg glass beaker...
Suppose 0.385 kg of water initially at 39.5°C is poured into a 0.300 kg glass beaker having a temperature of 25.0°C. A 0.500 kg block of aluminum at 37.0°C is placed in the water, and the system insulated. Calculate the final equilibrium temperature of the system. °C
A lead block of mass 7.0 kg is originally at a temperature of 15°C and 1 atm. It is then heated to a temperature of 64°...
A lead block of mass 7.0 kg is originally at a temperature of 15°C and 1 atm. It is then heated to a temperature of 64°C without any change in pressure. The specific heat of lead is 128 J/(kg - °C), its density is 1.13 x 104 kg/m3, and the coefficient of linear expansion is 29 x 10 -6/oC (a) Determine the work done by the lead block (b) How much heat energy is transferred during this process? J (c)...
A metal smith pours 2.1 kg of lead shot at 94.2°C into 1.3 kg of water at 24.3°C in an isolated container. What is the final temperature of the mixture? Give your answer to one decimal place Cwater-4.19 kJ/(kg"K), Clead -0.129 kJ/(kg K)
Incorrect Question1 0/1 pts A metal smith pours 3.0 kg of lead shot at 95.1°C into 1.6 kg of water at 29.5°C in an isolated container. What is the fina temperature of the mixture? Give your answer to one decimal place in units of K Cwater = 4.19 kJ/(kg*K), Clead-0.129 kJ/(kg*K) 306.2 Qlead + Qwar0 miead Clead (T - Tead) + mvaterCwater (T - Twater0 erCuater (T-Later)
Ouestions 19-20. 1 kg of water at 80 °C is poured into a 1 kg glass cup initially at 20 °C The specific heat of glass is cglass- 840Assume cwater 9 Cglass. kg.°C 19. What will be the equilibrium temperature? (a) 32 °C (b) 45 °C (c) 68 °C (d) 74 °C 20. How much heat will the cup receive in the process? (a) 45,360 J (b) 57,290 J (c) 63,120 J (d) 77,410.J
2.4. Calorimeter problem to find the specific heat of lead: If 110 g of lead shot at 120°C is dropped into 60 g of water at 25°C contained in a copper calorimeter of 45 g mass, what is the resulting temperature? [Given: Cwater = 1 cal/g/°C; Cpb = 0.031 cal/g/°C; Ccu = 0.093 cal/g/°C]
A lead block of mass 7.0 kg is originally at a temperature of 15°C and 1 atm. It is then heated to a temperature of 64°C without any change in pressure. The specific heat of lead is 128 J/(kg - °C), its density is 1.13 x 104 kg/m3, and the coefficient of linear expansion is 29 x 10 -6/oC (a) Determine the work done by the lead block (b) How much heat energy is transferred during this process? J (c)...
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