Living creatures generally have a higher temperature than their environment. Explain why this makes sense.

Q: why heat is called energy in transit?

A: Heat is a form of energy. It is defined as the process of transfer of energy from a higher…

Q: Which two factors affect the amount of thermal energy an object has?

A: Two factors that affect the amount of thermal of an object are  1) The average kinetic energy of the…

Q: What will happen if an object experiences an increase in temperature? A decrease in temperature?

A: Step1 - Understanding the Concept of kinetic theory.              According to kinetic theory, the…

Q: Why is thermal pollution a relative term?

A: Thermal pollution is the thermal energy pumped into the atmosphere, water bodies, etc. by the…

Q: At night, the surface of the earth cools, mostly by radiation. The surface radiates energy upward;…

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Q: Does the temperature of a body depend on its size?

A: Answer : No  Temperature is an intensive property it does not depend on the size. Example : If you…

Q: When the temperature in one day is 27.5 .1 * oC, it equals in Fahrenheit scale • 47.2 • 51.5 • 81.5

A: Given - temperature = 27.51 degree celcius Formula °F = (°C × 9/5) + 32 °F = (27.51× 9/5) + 32 °F =…

Q: The specific latent heat of fusion for gold is 1.10x10^6 J/kg: How much energy is required to melt…

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Q: freezing

A: Water has a very high heat capacity and act as a thermal buffer so it prevent food from freezing.

Q: When our bodies get too warm, they respond by sweating and increasing blood circulation to the…

A: Sweating  helps to maintain human body temperature. Evaporation will not takes place inside the…

Q: Calculate the amount of heat loss for a 5.08 cm thick glass wall when its temperature changes from…

A: Given, Thickness, t = 5.08 cm = 0.0508 m Temperature changes from 20200C from 400C so ΔT = 200C Time…

Q: 25.) Which of the following is a case of heat transfer through convection? Selected Answer: a heat…

A: Three are three modes of heat transfer. Conduction, convection, and radiation. In this question, we…

Q: what is the difference between  heat transfer by conduction, convection and radiation

A: We know that, The heat transfer is slow in conduction. The heat transfer is faster in convection.…

Q: A block of material has a mass of 130 kg and a volume of 4.6 x10^-2 m^3. The material has a specific…

A: Given,mass(m)=130kgintital volume(v0)=4.6×10-2m3specific heat capacity(C)=750J/kgC°Coefficient of…

Q: Why will spraying fruit trees with trees with water before a frost help to protect the fruit from…

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Q: In the ball-and-spring atomic model for thermal expansion, the statement “More thermal energy means…

A: In ball-spring atomic model, the atoms (balls) are connected to each other with springs of spring…

Q: Why do we feel hot after a long period of running or doing exercise?

A: When we do running or any exercise, it will lead to increase in the muscular activity.

Q: Since all the objects emit energy to the surroundings, why don't the temperature of all the objects…

A: An object which is a good energy emitter will be also very good absorber. Such bodies are said to be…

Q: Your pet cricket chirps 112 times in one minute (60.0 s). Whatis the temperature in degrees…

A: Given data: The time is: t = 60 sec The total number of chirp is: N The temperature in Fahrenheit…

Q: How much power is radiated from each panel? Assume that the panels are in the shade so that the…

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Q: The average thermal conductivity of the walls (including windows) and roof of a house in the figure…

A: According to given, Total area is given by, A= Area of end walls + Area of ends of attic + Area of…

Q: The specific heat of a substance varies with temperature according to c = 0.24 +0.47T+0.049T2, with…

A: Variation of specific heat with temperature : c = 0.24 + 0.47T + 0.049T2 mass (m) = 7.9 g Initial…

Q: Since all objects emit energy to their surroundings, why don’t the temperatures of all objects…

A: The method of heat transfer which doesn't require any medium is radiation. In radiation, heat is…

Q: explain the terms convection and conduction?

A: both conduction and convection are mode of heat transfer.conduction is the process in which transfer…

Q: How does perspiration give the body a means of cooling itself?

A: To determine: How the perspiration give the body a means of cooling itslef

Q: What examples of heat transfer by conduction, radiation, and convection do you encounter when using…

A: Heat transmission is a straightforward physical process. During the heat transmission process,…

Q: Suppose the hot cocoa loses 100J of energy by heating. How much energy does the air gain?

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Q: thermal capacity

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Q: it is 28f in new york at 10:00pm. the temperature is dropping 1.5f every hour what will be the…

A: The temperature at 10.00 pm is provided and the drop in temperature every hour is also provided, we…

Q: A 70 kg student catches the flu, and his body temperature increases from 37.0°C 198.6°F2 to 39.0°C…

A: Mass of the student,   The initial temperature,   The final temperature,

Q: In winter, a canal in Canada has an Ice layer on its surface. The depth from the surface to the…

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Q: e of energy transfer through 75m2 of a single 1.0-cm-thick pane of glass. Disregard surface air…

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Q: What condition is necessary for two bodies that are in physical contact with each other to be in…

A: Two bodies are in physical contact to each other

Q: On cold, clear nights horses will sleep under the cover of large trees. How does this help them keep…

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Q: Microwaving your burrito is an example of what type of heat transfer?

A: Heat transfer by thermal radiation is due to electromagnetic waves

Q: When you exhale outdoors on a cold day, you can “see your breath.” Why?

A: When a person exhales, it containes water vapor. When it comes in contact with cold air, it forms…

Q: Suppose a 60-kg person consumes 2,500 Cal of food in one day. If the entire heat equivalent of this…

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Q: While running, you need to transfer 300 J/s of thermal energy from your body to the moisture on your…

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Q: You apply a flame to 2 L of water for a certain time and its temperature rises by 2°C. If you apply…

A: You apply a flame to 2 L of water for a certain time and its temperature rises by 2°C. If you apply…

Q: Two beakers of water, A and B, initially are at the same temperature. The temperature of the water…

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Ideal Gas Law

Ideal gas law states that the product of pressure and volume of a gas directly varies with the product of the number of moles, the universal gas constant, and the temperature of the gas.