A change of temperature of 15•C is equivalent to a change of temperature of 15 K Select one: True False

Q: At time t = 0, a bottle of juice is at 84°F is stood in a mountain stream whose temperature is 50°F.…

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Q: A ring hole 1.81 cm in diameter at temprature 13 °C is cut in a sheet of copper (a = 17 x 10-0 c-1).…

A: Ans:-Image-1

Q: How much total energy in Joules is generated in a machine gear if its temperature increases by 50…

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Q: How much heat is needed to change 20 g of water at 20°C into water vapor at the boiling point?…

A: Given Mass of water m =20g = 20 × 10-3 kg  Specific heat of water = 4186 J/kg oC  Latent heat of…

Q: 7-8. Calculate the energy required to increase the temperature of 20g of water from 20 °C to 100 °C.…

A: Given: Mass of water = 0.020 kg Initial temperature (Ti) = 20 degree C Final temperature (Tf) = 100…

Q: When two cups of hot water of the same temperature are mixed, the water will have same temperature.…

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Q: TE-3 A metal bar changes length by 0.01000% for a temperature change of 400.0 °C. This means that…

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Q: How much ice at a temperature of -20.4 "C must be dropped into the water so that the final…

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Q: The coefficient of linear expansion of copper is 17 × 10-6 K-1. A block of copper 30 cm wide, 45 cm…

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Q: Heat is associated with   A) K.E of random motion of molecules B) K.E of orderly motion of molecules…

A: When the substance is heated, then the molecules of the substance will move randomly, thus heating…

Q: 3. When the temperature of a rod of copper is increased, its length O a. stays the same O b.…

A: When temperature of metal increases, its volume increases. When temperature of thin rod or wire…

Q: Both the pressure and volume of a given sample of an ideal gas double. This means that its…

A: For ideal gas,  PV = nRT  Where P= pressure, V= volume, T= temperature.

Q: The Humber Bridge in England has the world’s longest single span, 1410 m. Calculate the change in…

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Q: in an insulated container, a combination of 1.35 kg of water at 12.0°C , 0.340 kg of copper at…

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Q: Which of the following materials is the worse thermal conductor? Styrofoam concrete nitrogen gas…

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Q: Elijah places 0.150 kg of boiling water in a thermos bottle. How many kilograms of ice at -12.0 °C…

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Q: Can one object be hotter than another if they are at the same temperature? Explain.

A: Can one object be hotter than another if they are at the same temperature? Explain

Q: An ice chest at a beach party contains 24 cans of soda at 4.0°C. Each can has a mass of 0.35 Kg and…

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Q: . Is it possible to boil water at room temperature (20°C)without heating it? Explain

A: Boiling of water

Q: Zeroth law of thermodynamics gives O a. None of these O b. Thermal equilibrium of objects c.…

A: Solution

Q: Calculate the heat of combustionof ( ΔH) of the ethanol mass of watter = 100 initial temperature…

A: Given: Amount of water: mw=100 [g] Amount of fuel before firing: m1f=25 [g] Amount of fuel after…

Q: A 3g copper coin at 20°C is dropped from a height of 300m and strikes the ground. If 60℅ of the…

A: Using the conservation of energy, the equation for the final temperature can be obtained as

Q: Compute the increase in length of 50m of copper wire when its temperature from 12 to 30

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Q: How much heat energy must be LOST to change the temperature of 3.2-kg of water from 5°C to -7°C ?…

A: Given that, Mass of the water = 3.2 kg Initial temperature Ti=5°C Final temperature Tf=-7°C

Q: 5. A thermally isolated vessel contains 100 g of water at 0°C when air above the water is pumped…

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Q: Would a bimetallic strip function if the two different metals have the same rates of expansion? Is…

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Q: The temperature of a aluminum bar rises by 10.0°C when it absorbs 4.73 kJ of energy by heat. The…

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Q: The highest temperature ever recorded on Earth was 136.4°F at Al’ Aziziyah, Libya, on September 13,…

A: Solution: The conversion formula to change the temperature from Fahrenheit (F) to Celsius (oC) is…

Q: The triple points of neon and carbon dioxide are 24.57 K and 216.55 K respectively. Express these…

A: From Kelvin to Celcius:

Q: A 20.0 kg gold bar at 35.0 0 C is placed in a large, insulated 0.800 kg glass container at 15.00 C…

A: Given: The mass of the gold is 20 kg. The temperature of the gold is 35oC. The mass of the glass is…

Q: A 0.500-kg of cold water at  1°C is placed in 0.400 kg of  35.0°C  water in a very well-insulated…

A: A 0.500-kg of cold water at 1 oC is placed in 0.400 kg of 35 oC water. So, no phase change occurs…

Q: A 1.82 m wide by 1.11 m high metal plate must be insulated to prevent contact burn injuries. If the…

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Q: Pretend that all the molecules in a liquid have the same speed, not random speeds. Would evaporation…

A: In general, molecules gained different heat, so it gains different kinetic energy. molecules with…

Q: The temperature of a silver bar rises by 10.0°C when it absorbs 1.23 kJ of energy by heat. The mass…

A: Heat energy to change the temperature is,

Q: Why is it important to know the specific heat of materials? please explain

A: Specific heat capacity is a measure of the amount of heat energy required to change the temperature…

Q: 10. If it takes 554 calories to increase the temperature of 100 grams of a substance by 60.0 degrees…

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Q: Explain 50-100 words A bar of copper with mass 150 grams is heated to 200 o C. It is then dropped…

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Q: SOLUTION IS NEEDED How much total energy in Joules is generated in a machine gear if its temperature…

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Q: .A metal rod 0.50m is heated from 15℃ to 95℃. The length of the rod increases by 0.96mm. What is the…

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Q: 85. An aluminum baseball bat has a length of 0.86 m at a temperature of 17 °C. When the temperature…

A: The given values are, L0=0.86 mT0=17° C∆T=0.00016 mαaluminum=23×10-6 °C-1

Q: Your answer is partially correct. How much water remains unfrozen after 47.0 kJ is transferred as…

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Q: Phase changes occur: A) As the temperature decreases B) As the temperature remains the same C) As…

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Q: The boiling of water inside the pressure cooker is O 110°C 100°C 1200°C -120°C No correct answer

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Q: Friction occurs because O surfaces in contact generate heat. O no surface is perfectly smooth. O…

A: We know, even surfaces that look smooth to the unaided eye make look rough when viewed under a…