Which of the following indicates a heat transfer?   Question 15 options:   constant temperature   high temperature   temperature change   low temperature

Q: e does heat radiate from a 275m ^2 black roof on a night when the roof's temperature is 30.0 degree…

A: Area (A) = 275 m2Temperature of surface = 30oC = 303 K Temperature of surroundings = 15oC = 288 K…

Q: A quantity of water is heated from 25.0 Degrees Celsius to 36.4 Degrees Celsius by absorbing 325…

A: Given data: Final temperature of water is, T2=36.4∘C. Initial temperature of water is, T1=25.0∘C.…

Q: m cold Mass of cold water (g) = 50 g Tic Initial temperature of m cold water =15 C m hot Mass of hot…

A: Given: Mass of cold water mcold=50 g. Initial temperature of cold water Tic=15 oC Mass of hot water…

Q: Coefficient of linear thermal expansion is measured in the units of...choose one correct answer…

A: Change in the length of the conductor due to the temperature changes with respect to original length…

Q: Which of the of the following temperature is the hottest?  A. 100 degrees celsius  B. All would…

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Q: A student is trying to decide what to wear. His bedroom is at 20.0°C. His skin temperature is…

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Q: A cup of hot coffee is placed on a metal table in a room. By which of the following methods does it…

A: To find by what ways does coffee on a table loses heat.

Q: 15) Which one of the following quantities is the smallest unit of heat energy? D) Btu A) joule B)…

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Q: A 0.233 kg piece of pure metal is heated to 100 degrees Celsius and then placed in an aluminum can…

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Q: For objects at thermal equilibrium, which of the following is true? Explain. (a) Heat will not…

A: When two objects of different temperatures are in contact with each other then they exchange their…

Q: The fact that desert sand is very hot in the day and very cold at night is evidence that sand has…

A: To explain : The reason behind the fact that the desert sand becomes very hot during the day and…

Q: It is a well-known fact that water has a higher specific heat capacity than iron. Now, consider…

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Q: An electric kettle raises the temperature of tea from 50 °C to 125 °C with the usage of 15000 J of…

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Q: 00 You can touch the aluminum pan after it has been taken from the hot oven, but you'll burn your…

A: Aluminium has a low heat capacity so transferring a small amount of energy lowers the temperature of…

Q: brick is placed in an insulated calorimeter containing 5.000 kg of water. The temperature of the…

A: According to principle of calorimetry Heat given by hot body= heat taken by cold body

Q: A student doing an experiment pours 0.500 kg of heated metal whose temperature is 98.0 oC into a…

A: Given that a student doing an experiment pours 0.500 kg of heated metal whose temperature is 98.0 oC…

Q: What three factors affect the heat transfer that is necessary to change an object’s temperature?

A: heat transfer

Q: 350 grams of copper pellets are removed from 330°C oven and immediately dropped into 400 mL of water…

A: mass of copper pellets = 350 g initial temperature of pellets = 330 C mass of water = 400 grams ( as…

Q: If you want to calculate how much heat would be needed to condense a given mass of gas at its…

A: Latent heat of vaporization: The latent heat of vaporization can be defined as when a substance is…

Q: Which of the following statement is true about added heat and phase change in a material? A. There…

A: given : phase change  during addition of heat

Q: From the given graph, which of the following statements is true? D) T (°C) 120 D 90 60 C 30 T A T B…

A: During phase change , heat supplied at constant temperature is used to change the phase of the…

Q: (k-0.84 J/sm'C) in one minute if the temperature difference between two sides of the window is 10.…

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Q: In Physics we can say that the term 'heat' can be phrased as the   A. temperature in an object. B.…

A: As we know heat is a form energy which can flow where there is difference of temperature between…

Q: out convection of water is correct? * Hot water sinks and cold water rises because hot water has…

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Q: Four different materials initially at the same temperature were placed onto a hot stove. The…

A: Introduction: Among the various properties of matter, thermal conductivity is the property that…

Q: Some amount of heat energy is removed from a 11cm X 14cm X 10cm block of ice to cool from 0ºC to…

A: Given that-- Some amount of heat energy is removed from a 11cm X 14cm X 10cm block of ice to cool…

Q: 5.9 kg of copper sits at a temperature of 52°F. How much he is required to raise its temperature to…

A: Given Mass of copper sits m = 5.9 kg Initial temperature T1 = 52°F Final temperature T2 = 555°F…

Q: Two objects of different temperatures are held so that they are in thermal contact with each other.…

A: Option c is correct Hot object transfers heat to cold object/cold object heats up/heat transferred…

Q: Many species cool themselves by sweating, because as the sweat evaporates, heat is transferred to…

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Q: The number of kilocalories in food is determined by calorimetry techniques in which the food is…

A: The equation for the heat energy required to raise the temperature of water held in aluminum cup is…

Q: The same energy Q enters five different substances as heat. Which of these has the greatest specific…

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Q: Questions 5-7, the following values will be needed: Specific heat of liquid water: 4,186 J/kg.0C…

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Q: 20) At room temperature, a typical person loses energy to the surroundings at the rate of 62 W. If…

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Q: A student obtains the following data in a calorimetry experiment designed to measure the specific…

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Q: 6. Water has a specific heat of 4184 J/Kg°C. Ethanol has a specific heat of 2440 J/Kg°C. What…

A: Given data :  Specific heat of water ( cw ) = 4184 J/kg°C  Specific heat of ethanol ( ce ) = 2440…

Q: Two blocks of metal are in contact with one another. The first block has mass 4.4 kg and specific…

A: Here, T1 is the initial temperature of the first block.

Q: Use the given data below to find the calculated amount of heat transferred and the final calculated…

A: Given data:  Mass of hot water (m1) = 110 g Temperature of hot water (T1) = 90°C Mass of cold water…

Q: A raindrop strikes the ground with a speed of 6.1 m/s. The specific heat of water is 4.19 × 103…

A: → Kinetic energy of drop is converted to thermal energy so12 mV2 = m c ∆ T∆T = 12 V2C         | V =…

Q: A copper calorimeter of mass 60 g contains 100 g of an unknown liquid at 20℃. A piece of aluminum of…

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Q: The heating curve below shows the change in temperature of a 20 g sample of a substance as energy is…

A: Specific heat :                       Temperature of body changes but state remains same. So, change…

Q: body

A: Given: The temperature of the child = 340 C Outside temperature = 1.50 C Emissivity of child skin =…

Q: A student is trying to decide what to wear. His bedroom is at 20°C. His skin temperature is 35°C.…

A: We have to convert temperature in to k K=°C+273

Q: One calorie is defined as:     A. the SI unit for thermal energy   B. One thermal energy unit…

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Q: The heating curve below shows the change in temperature of a 20 g sample of a substance as energy is…

A: mass= 20 x 10-3 kg

Q: After a short walk a student has lost 230 kcal of heat thanks to the evaporation of 418g of water…

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Q: To speed the process of ice melting, you can smash the ice up into smaller pieces, via a tool such…

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Q: The same heat transfer into identical masses of different substances produces different temperature…

A: Given Data: The mass of all substances is, mwater=mconcrete=msteel=mmercury=1.50 kg The initial…

Calorimetry

Measuring the heat transferred during chemical reactions or other physical processes is known as calorimetry. It comes under the branch of thermochemistry.