Find the heat flow during 300 minutes through a glass window of thickness 0.15 inches with that is 7 feet by 5 feet if the average temperature outside is 22oF and the average temperature inside is 48oF.

Q: A pressure cooker with a volume of 5L, contains 200 g of water at 400°C. The lid of the pressure…

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Q: A projectile is thrown from the top of a building with an initial velocity of 30 m/s in the…

A: Initial velocity (Horizontal),   vx=30 m/s Initial vertical component of velocity, u=0 Distance…

Q: Find the heat flow during 5.0 h through a glass window of thickness 0.20 in. with an area of 40 ft2…

A: Given, Time  t = 5hr = 18000 sec Thickness  dx = 0.2 in      = 0.2×0.0254 = 0.00508  m Area  A = 40…

Q: How much heat is required to melt 0.040 kg of ice at 0° C and then raise the tem­ perature of the…

A: Mass of ice = 0.040 kg initial temperature of ice = 0 degree celsius final temperature of melted…

Q: calculate the net radiant heat exchance per m^2 area for two large parallel plates at temperatureof…

A: In this question we have to calculate the net radiant heat exchange for two large parallel plates.…

Q: Construct the flow chart (diagram) and compute the total heat required to convert 650g of ice at…

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Q: (10 points) The cross section radius of a bar of metal of length L and uniform coefficient of…

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Q: How much heat must be added to 60 g of ice at 0°C to melt the ice completely?

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Q: Construct the flow chart (diagram) and compute the total heat required to convert 650g of ice at…

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Q: What temperature on the fahrenheit scal corresponds to -8°c.

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Q: How many fahrenheit are 100 K?

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Q: If a copper calorimeter of 100g mass containing 200g of water was used. The thermometer contained…

A: If a copper calorimeter of 100g mass containing 200g of water was used. The thermometer contained…

Q: How much heat is conducted in 1.0 h through an iron plate 2.0 cm thick and 1,000 cm2 in area, the…

A: Given data as per question time t = 1h area = 1000cm2

Q: How much heat is absorbed by contacting 15 grams of 100°C steam by a student’s hand.  The steam is…

A: Heat given by steam is absorbed by hand .

Q: This thermostat setting is in degrees Fahrenheit. What is the equivalentthermostat setting on the…

A: On considering the setting of thermostat is in Fahrenheit.

Q: Ex. 125 A body cools from 75°C to 55°C in 10 min when the temperature of the surrounding is 31 °C,…

A: To find- Average  temperature Given- θ1=750Cθ2=550Ct=10 minθ0=310C

Q: , The length of an iron wire at a temperature with 95 degrees knowing that its length is 6.2 m at a…

A: at T=950  length L0=6.2m coefficient of thermal expansion α=1.2×10-6 m/deg we know…

Q: When of milk at 5°c added to of tea mass was 110g at 95°C , the milk and water the tea has final…

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Q: A food sample sealed inside an impermeable pouch at a temperature of 25℃ and aw of 0.4 is…

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Q: What mass of steam at 100°C should be mixed with 120 g of ice at -5°C, in a thermally insulated…

A: latent heat of vapourization of water = 2260 J /gm  latent heat of fusion of water = 334 J /gm…

Q: A new temperature scale was invented: “x” scale and its unit [°x]. this new scale is defined in such…

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Q: Frost damage to most plants occurs at temperatures of 28.0oF or lower. What is this temperature on…

A: The given temperature T= 28.0 °F Fahrenheit scale to Kelvin scale conversion is  T K=(T°F − 32) ×…

Q: A body coolsN at the rate of 1.2 C' per minute when its temperature is more than that of the…

A: From Newtons law of colling, the rate of change of temperature is proportional to the temperature…

Q: A 33 cm long Cu rod’s one end is exposed to 500 Celsius and the other end at 20 Celsius. Diameter of…

A: Given that, Length of the  rod = 33 cm Diameter = 2 cm Temperature at one end = T1=500°C Temperature…

Q: A copper calorimeter can with mass 0.100 kg contains0.160 kg of water and 0.0180 kg of ice in…

A: Given: The mass of copper calorimeter is mCu=0.100 kg. The mass of water is mw=0.160 kg. The mass…

Q: A house walls that are 11 cm thick and have an average thermal conductivity two times that of cork.…

A: Given Thickness of the house wall is d=11 cm=0.11 m Surface area of the wall is A=1150000…

Q: The medicinal thermometer commonly used in homes can be read ;0.1°F, whereas those in the doctor’s…

A: Percentage error can be determined as the difference between the true value and the experimental…

Q: A container of 5 L water is left out on a hot day. A temperature change of 2.5°C was noted. Estimate…

A: Whenever a system undergoes temperature change there will be a change in heat energy. This change in…

Q: Water enters a boiler at 500 psia as a saturated liquid and leaves at 600°F at the same pressure.…

A: The flow inside the pipe is shown as, Where, P = pressure of boiler T2 = exit temperature of water,

Q: A gold statue with surface area 0.81 m2 and emissivity 0.04 is placed in a vault. The temperature of…

A: The net power of radiational heat loss from the statue is given by…

Q: What is the rate of heat loss through windows on a chilly-5 degree Celsius day from a typical house…

A: Area of windows (A) = 26 m2Thickness (d) = 4 mm inside temperature (T) = 20oC Outside temperature…

Q: calculate the thermal recharge of an area 25.0 km by 40.0 km where the average heat flow is 270 mW…

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Q: What is the Fahrenheit temperature of a person with a 39.0oC fever?

A: The temperature of a person in degrees Celsius is,

Q: A weather balloon calibrated at 0.00 °C to have a volume of 20.0 L has what volume in L at -23.4 °C…

A: At constant pressure, V1T1=V2T2V2=V1T1T2