6. Find the total heat required (in kJ) to raise the temperature of a 0.190 kg of ice from-16.0°C to 132°C, including the heat needed for phase changes. (Assume thesubstance remains at a constant volume throughout each stage of the heatingprocess.) 590Use the following constants: Specific heat capacities: 4.187 kJ/kgK, 2.108 kJ/kgK,1.996 kJ/kgK for water, ice, and water vapor (steam) respectively. Latent heat offusion=334 KJ/Kg, Latent heat of vaporization=2256 KJ/Kg%3DB)Cho

Answered: Image /qna-images/answer/9d95b738-290e-49d6-923a-5bd55bceb1b9.jpg

Answered: 6. Find the total heat required (in kJ)…

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter2: The Kinetic Theory Of Gases

Section: Chapter Questions

Problem 56P: (a) If the partial pressure of water vapor is 8.05 torr, what is the dew point? (760 torr = I atm...

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Most automobiles have a coolant reservoir to catch radiator fluid than may overflow when 1he engine is hot. A radiator is made of copper and is filled to its 16.0L capacity when at 10.0C. What volume of radiator fluid will overflow when the radiator and fluid reach their 95.0C operating temperature, given that the fluid’s volume coefficient of expansion is =400106/C ? Note that this coefficient is approximate, because most car radiators have operating temperatures of greater than 95.0C.
What is me Fahrenheit temperature of a person with at 39.0°C fever?
Under what circumstances would you expect a gas to behave significantly differently than predicted by the ideal gas law?
One method of converting heat transfer to doing work is for heat transfer into a gas to take place, which expands, dong work on a piston, as shown in the figure below. (a) Is the heat transfer converted directly to work in an isobaric process, or does it go through another form first? Explain your answer. (b) What about in an isothermal process? (c) What about in an adiabatic process (where heat transfer occurred prior to the adiabatic process)?
Suppose a gas-filled incandescent light bulb is manufactured so that the gas inside the bulb is at atmospheric pressure when the bulb has a temperature of 20.0 . (a) Find the gauge pressure inside such a bulb when it is hot, assuming its average temperature is 60.0 (an approximation) and neglecting any change in volume due to thermal expansion or gas leaks. (b) The actual final pressure for the light bulb will be less than calculated in part (a) because the glass bulb will expand. Is this effect significant?
In an ultrahigh vacuum system (with typical pressures lower than 10-7 pascal), the pressure is measured to be 1.00 1010 torr (where 1 torr = 133 Pa). Assuming the temperature is 300 K, find the number of molecules in a volume of 1.00 m3.
(a) If the partial pressure of water vapor is 8.05 torr, what is the dew point? (760 torr = I atm 101, 325 Pa) (b) On a warn day when the air temperature is 35 and the dew point is 25 , what are the partial of the water in the air and the relative humidity?
1. Suppose a woman does 600 J of work and -9400 J of heat transfer occurs into the environment in the process. (a) What is the decrease in her internal energy, assuming no change in temperature or consumption of food? (That is, there is no other energy transfer.) J AE int -10000 (b) The internal energy is stored energy due to food intake. Treating the change in internal energy as the input energy and work done as output, what is her efficiency? Efficiency, Eff: %
3. Two medal bars X and Y have the lengths of TO cm and 30 cm.Both have the same croos sectional area. At one end of the metal X, heat supplied from koiling warler at 0°C.Both metas are well-insulated. The remperature ad the junction is 15°C. at 100 °C and one and of the metal Yisplaced in me Hing Ice Calculate the CAssume the heat flow 1s steady and no energy radio of themal conductivity between metal X and Y. 1s lost do the surroundings)
A copper block is removed from 310ºC oven and immediately dropped into 3.75 L of water at 20ºC.in an insulated cup . The water quickly reaches 25.8ºC and then remains at that temperature. Calculate the following: b) The heat energy supplied to water by the copper block in joules . (Sp.Heat of water = 4186 J/kg°C)
1) Lake Erie contains roughly 4.00 x 1011m3of water. How much energy is required to raise thetemperature of that volume of water from 11.0°C to 12.0°C? How many years would it take to supplythis amount of energy by using the 1 000-MW exhaust energy of an electric power plant? 2) A scientist is trying to determine the specific heat of 10.0 g of an unknown substance. He heats up the substanceto a temperature of 100.0 C, and places it in 1.02 kg of water at 22.0 C. He notices that the final temperature ofthe water and substance is 23.1 C. What is the specific heat of the substance? 3)A 68 kg diver drops from a height of 12 m. What is her speed as she hits the water? 4) An incandescent bulb has a power rating of 75 W but is only 5 % efficient. How much energy is converted intolight if the bulb is run for 6.0 s ? 5) Determine the coefficient of friction for a floor if 550 J of work are done moving a 12 kg box 10.0 m at aconstant velocity. 6)About how much power does a70 kg sprinter…
How much energy (in Joules) is needed to be removed to freeze water, completely, so that all the water is now ice, m = 405 g, if the water has an initial temperature of 55oF? Round to 4 significant figures. cice = 2090 J/(kg oC) cwater = 4186 J/(kg oC) Lwater = 3.33 x 105 J/kg

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