1. Given 1 kJ of heat transfer, how much water could you raise the temperature by 1oC?
cwater= 4.18 kJ/kg K
1. Given 1 kJ of heat transfer, how much water could you raise the temperature by...
How much heat transfer in kJ is necessary to raise the temperature of a 0.347 kg piece of ice from -12.6ºC to 132.1ºC , including the energy needed for phase changes? (cice = 2090 J/kgºC, cwater = 4186 J/kgºC, csteam = 1520 J/kg, Lvap = 2256 kJ/kg, and Lfus = 334 kJ/kg)
(a) How much heat transfer (in kJ) is necessary to raise the temperature of a 0.150 kg piece of ice from -22.0°C to 126°C, including the energy needed for phase changes? (Assume the substance remains at a constant volume throughout each stage of the heating process.) kJ (b) How much time (in s) is required for each stage, assuming a constant 21.0 kJ/s rate of heat transfer? (Enter your answers as a comma-separated list. Enter your times in order from...
a.) How much heat transfer (in kJ) is necessary to raise the temperature of a 0.250 kg piece of ice from −16.0°C to 132°C, including the energy needed for phase changes? (Assume the substance remains at a constant volume throughout each stage of the heating process.) b.) How much time (in s) is required for each stage, assuming a constant 19.5 kJ/s rate of heat transfer? (Enter your answers as a comma-separated list. Enter your times in order from the...
How much heat transfer (in kJ) is necessary to raise the temperature of a 0.150 kg piece of ice from −18.0°C to 128°C, including the energy needed for phase changes? (Assume the substance remains at a constant volume throughout each stage of the heating process.)
How much heat transfer (in kJ) is necessary to raise the temperature of a 0.190 kg piece of ice from ?16.0°C to 132°C, including the energy needed for phase changes? (Assume the substance remains at a constant volume throughout each stage of the heating process.) kJ (b) How much time (in s) is required for each stage, assuming a constant 18.5 kJ/s rate of heat transfer? (Enter your answers as a comma-separated list. Enter your times in order from the...
a. How much heat transfer (in kcal) is required to raise the temperature of a 0.550 kg aluminum pot containing 2.00 kg of water from 25.0°C to the boiling point and then boil away 0.600 kg of water? b. How long (in s) does this take if the rate of heat transfer is 600 W (1 watt = 1 joule/second (1 W = 1 J/s))?
(a). How much heat transfer (in kcal) is required to raise the temperature of a 0.550 kg aluminum pot containing 3.00 kg of water from 50.0°C to the boiling point and then boil away 0.800 kg of water? (b). How long (in s) does this take if the rate of heat transfer is 600 W (1 watt = 1 joule/second (1 W = 1 J/s))?
(a) How much heat transfer (in kcal) is required to raise the temperature of a 0.600 kg aluminum pot containing 3.00 kg of water from 20.0°C to the boiling point and then boilway 0.650 kg of (b) How long (ins) does this take if the rate of heat transfer is 600 W (1 watt - 1 Joule/second (1 W = 1/s))?
(a)How much heat transfer (in kcal) is required to raise the temperature of a 0.600 kg aluminum pot containing 2.00 kg of water from 45.0°C to the boiling point and then boil away 0.650 kg of water? _______kcal (b) How long (in s) does this take if the rate of heat transfer is 550 W (1 watt = 1 joule/second (1 W = 1 J/s))? ________s
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...