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Student ID: PHSX 210 (Test #5)- Fall 2017 Code: 1 8. A block of ice has...
3. Let a block of ice with temperature -3° Celsius be dropped in a cool container...
3. Let a block of ice with temperature -3° Celsius be dropped in a cool container of water with temperature +12° Celsius. The water is in a copper cup of initial temperature +12° Celsius. The specific heats and latent heats are cwater = 2093 J/(kg.K). 4186 J/(kg.K), cce Ccopper = 387 J/(kg.K), Lrusion = 3.33 x 10 J/kg. 6 kg of ice, 3 kg of water and 3 kg of copper. The system is thermally insulated. There are (a) Does...
A 20-g ice cube floats in 210 g of water in a 100-g copper cup; all...
A 20-g ice cube floats in 210 g of water in a 100-g copper cup; all are at a temperature of 0°C. A piece of lead at 92°C is dropped into the cup, and the final equilibrium temperature is 12°C. What is the mass of the lead? (The heat of fusion and specific heat of water are 3.33 105 J/kg and 4,186 J/kg · °C, respectively. The specific heat of lead and copper are 128 and 387 J/kg · °C,...
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...
1. A 2.50 kg block of ice at 0°C is added to a picnic cooler. How...
.1. A 2.50 kg block of ice at 0°C is added to a picnic cooler. How much heat (in kcal) will the ice remove as it melts to water at 0°C? 2. A 300.0 g pot of water at room temperature (25.0°C) is placed on a stove. How much heat (in kcal) is required to change this water to steam at 100.0°C? 3. Spent steam from an electric generating plant leaves the turbines at 110.0°C and is cooled to 95.0°C liquid water...
You drop an ice cube into an insulated container full of water and wait for the...
You drop an ice cube into an insulated container full of water and wait for the ice cube to completely melt. The ice cube initially has a mass of 80.0 g and a temperature of 0°C. The water (before the ice cube is added) has a mass of 660 g and an initial temperature of 20.0°C. What is the final temperature (in °C) of the mixture? (Assume no energy is lost to the walls of the container, or to the...
General Physics Group 113 2019/2020 Student Name: ID: Question 1: A 825g glass (c-837 J/kg°c) is...
General Physics Group 113 2019/2020 Student Name: ID: Question 1: A 825g glass (c-837 J/kg°c) is taken from a freezer at -10 °C and placed into beaker of boiling water How much thermal energy is absorbed ? Question 2 How much thermal energy flows through wall 2.5 cm thick, 10m2 area in 6 hr. If the temperature on the outside of the window is 50 °C and the temperature on the inside of the window is 350 °C? {Thermal conductivity...
Suppose the block in part D is made of steel(iron, c = 449 J/kg-K) and has...
Suppose the block in part D is made of steel(iron, c = 449
J/kg-K) and has a mass of 0.500 kg and has an initial temperature
of 300.0°C. The block is placed into the insulated beaker that
holds 50.0 ml of water at 20.0°C. If the metal block were
to cool to 100.0°C, how much energy would be transferred to the
water?
(CONTEXT: A metal block is heated for a long period of time over
a gas flame. The block...
av/pid-882724-dt-content-rid-61209201 ENG.O311.01.18FA/MENG%20031 1-Homework%203-fall-2018.pdf MENG 311 Thermodynamics I, fall 2017 Homework3 Due date: By 8:00 a.m. on...
av/pid-882724-dt-content-rid-61209201 ENG.O311.01.18FA/MENG%20031 1-Homework%203-fall-2018.pdf MENG 311 Thermodynamics I, fall 2017 Homework3 Due date: By 8:00 a.m. on 10/26 (Friday) 1. (20 pts.) Figure below provides steady-state data for water vapor flowing through a piping configuration. At each exit, the volumetric flow rate, pressure, and temperature are equal. Determine the mass flow rate at the inlet and exits, each in kg/s. P24.8 bar T2 320°C er vapor(AV) (AV)s V, 30 m/s A, -0.2 m2 Pi 5 bar T 360°C P 4.8 bar...
looking for question 5, 6 7 and 8 5. In reaction 1, a student measured the...
looking for question 5, 6 7 and 8
5. In reaction 1, a student measured the temperature of the resultant solution when some NaOH pellets were still left in the calorimeter. How does it affect the value of AH reaction? 6. In reaction 2, a student forgot to put the lid back on the calorimeter after mixing NaOH pellet with HCl solution. How does it affect the value of AH reactiona? 7. In reaction 3, a student left the solution...
i need to get answer for 2nd question 3rd test, Phys I. Fall 2017 1. What...
i need to get answer for 2nd
question
3rd test, Phys I. Fall 2017 1. What is the mass of oxygen in an oxygen tank at 20°C if the tank has a volume of 0.20 m and the oxygen pressure in the tank is 4.0x10 N/mi (mass of one mole of one mole of oxygen is 32 g and the universal gas constant is 8.31 Nm-mol -K) 2. One mole of oxygen is heated at a constant pressure starting at...
3. Let a block of ice with temperature -3° Celsius be dropped in a cool container of water with temperature +12° Celsius. The water is in a copper cup of initial temperature +12° Celsius. The specific heats and latent heats are cwater = 2093 J/(kg.K). 4186 J/(kg.K), cce Ccopper = 387 J/(kg.K), Lrusion = 3.33 x 10 J/kg. 6 kg of ice, 3 kg of water and 3 kg of copper. The system is thermally insulated. There are (a) Does...
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...
.1. A 2.50 kg block of ice at 0°C is added to a picnic cooler. How much heat (in kcal) will the ice remove as it melts to water at 0°C? 2. A 300.0 g pot of water at room temperature (25.0°C) is placed on a stove. How much heat (in kcal) is required to change this water to steam at 100.0°C? 3. Spent steam from an electric generating plant leaves the turbines at 110.0°C and is cooled to 95.0°C liquid water...
General Physics Group 113 2019/2020 Student Name: ID: Question 1: A 825g glass (c-837 J/kg°c) is taken from a freezer at -10 °C and placed into beaker of boiling water How much thermal energy is absorbed ? Question 2 How much thermal energy flows through wall 2.5 cm thick, 10m2 area in 6 hr. If the temperature on the outside of the window is 50 °C and the temperature on the inside of the window is 350 °C? {Thermal conductivity...
Suppose the block in part D is made of steel(iron, c = 449
J/kg-K) and has a mass of 0.500 kg and has an initial temperature
of 300.0°C. The block is placed into the insulated beaker that
holds 50.0 ml of water at 20.0°C. If the metal block were
to cool to 100.0°C, how much energy would be transferred to the
water?
(CONTEXT: A metal block is heated for a long period of time over
a gas flame. The block...
av/pid-882724-dt-content-rid-61209201 ENG.O311.01.18FA/MENG%20031 1-Homework%203-fall-2018.pdf MENG 311 Thermodynamics I, fall 2017 Homework3 Due date: By 8:00 a.m. on 10/26 (Friday) 1. (20 pts.) Figure below provides steady-state data for water vapor flowing through a piping configuration. At each exit, the volumetric flow rate, pressure, and temperature are equal. Determine the mass flow rate at the inlet and exits, each in kg/s. P24.8 bar T2 320°C er vapor(AV) (AV)s V, 30 m/s A, -0.2 m2 Pi 5 bar T 360°C P 4.8 bar...
looking for question 5, 6 7 and 8
5. In reaction 1, a student measured the temperature of the resultant solution when some NaOH pellets were still left in the calorimeter. How does it affect the value of AH reaction? 6. In reaction 2, a student forgot to put the lid back on the calorimeter after mixing NaOH pellet with HCl solution. How does it affect the value of AH reactiona? 7. In reaction 3, a student left the solution...
i need to get answer for 2nd
question
3rd test, Phys I. Fall 2017 1. What is the mass of oxygen in an oxygen tank at 20°C if the tank has a volume of 0.20 m and the oxygen pressure in the tank is 4.0x10 N/mi (mass of one mole of one mole of oxygen is 32 g and the universal gas constant is 8.31 Nm-mol -K) 2. One mole of oxygen is heated at a constant pressure starting at...
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