A 300 g aluminum pot containing 0.50 L of water is placed on the 1 kg iron hot plate on an electric stove. The heating element of the hot plate is rated at 1.5 kW. If the hot plate, the pot, and the water are all at 20 oC when the heating element is switched on, how long will it take until the water begins to boil? Neglect heat losses to the surroundings.

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A: Given data:  Mass (m) = 1.3 kg Initial temperature (Ti) = 30°C Final temperature (Tf) = 100°C…

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Q: Q1: A) A copper tape has a length 30 m in a winter day when temperature is (-10 ° C) .how much…

A: Length , L = 30 m T1 = -10 °C = 263 K T2 = 40 °C = 313 K Thermal expansion , α = 17 x 10-6 K-1

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Q: a Styrofoam cup containing 60.0 grams of water at 87.6°C, a 13.9 gram sample of an unknown metal is…

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A: Introduction : Loose electrons are the outer electrons which are held loosely in the atom.

Q: A 2.9 kg lump of aluminum is heated to 93°C and then dropped into 8.0 kg of water at 5.0°C. Assuming…

A: Given Mass of the aluminum lump is ma=2.9 kg Mass of water is mw=8.0 kg Temperature of the aluminum…

Q: A 200g copper bowl contains 100 g of wate, both at 25 degrees celsius. A very hot 300 g copper…

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Q: a container has 0.3 kg of water and 0.5 kg of ice at 273 K. How much water vapor should be…

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Q: A 1.8 kg iron horseshoe initially at 91 oC is dropped into a bucket containing 15 kg of water at 20…

A: Solution

Q: What is the power (in W) of the heater.

A:

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Q: A 2.4m length of copper pipe extends directly from a hot water heater in a basement to a faucet on…

A: Given The original length of the copper pipe is L0=2.4 m. The final temperature of the pipe is…

Q: An engineer is designing a wire using an unknown material that will carry large amounts of…

A: Given,  m=50.85 g c= 0.346 J g-1 °C-1 Q= 453 J We need to find Increase in temperature ΔT

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Q: A copper rod is 0.863 m long with a rectangular cross section of dimensions 0.0519 m by 0.0867 m.…

A: length of copper rod = 0.863 m cross section of rod = 0.0519 m by 0.0867 mTemperature at the ends of…

Q: The sun heats Earth by .....chosse one correct answer

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Q: An engineer is designing a wire using an unknown material that will carry large amounts of…

A: Solution:- Given  m=66.48 g Heat energy Q=527 J Time t= 13 minute Specific Heat c = 0.211 J /g°C

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Q: How long does it take to raise the temperature of a 0.750-kg aluminum pot containing 2.50 kg ot…

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Q: A 2.5 kg piece of aluminum is beated to 92.0°C and then dropped into 20.0 kg of water at 5.00°C.…

A: Given, Mass of aluminum,mAl=2.5 kg Mass of water,mw=20 kg Initial temperature of aluminum, T1=92°C…

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Q: 8. You are given a sample of metal (mass 2.9 kg) and asked to determine its specific heat. You…

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Q: What is the energy needed to melt 0.52 kg of gold? A. 32.76 B. 32760 C. 0.64

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Q: An immersion heater utilizing 120 V is used to raise the temperature of a 100 g aluminum cup…

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Q: An engineer is designing a wire using an unknown material that will carry large amounts of…

A: The summary of the question is: We added 529 J heat to a 66.08 g wire of specific heat 0.232 J g-1…

Q: 9. A copper metal is heated and then place in a water at room temperature. Which statement below…

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Q: How much heat is absorbed by 100 g of ice at -10⁰C to become water at 20⁰C?

A: