What is latent heat?
Q: A 0.5 kg iron (Fe) cooking pot ha of boiling water inside. If they b heated from 20°C to 100°C,…
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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: burning candle is carried away by (choose one) conduction, convection, or radiation
A: Most of the heat generated by a burning candle is carried by radiation.
Q: The heat of volcanoes and natural hot springs comes from trace amounts of radioactive minerals in…
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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: Show that 3000cal= 12,570J , the same quantity of thermal energy in different units.
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Q: What type of heat transfer occurs when you TOUCH a metal box with your hand and the metal box feels…
A: There are three methods by which heat can be transferred from one place to another place. 1.…
Q: Jake grabs a can of soda from the closet and pours it over ice in a cup. Determine the amount of…
A: We have an ice in a cup of mass m=40 g=0.04 kg which melts due to some soda that is poured into the…
Q: If I have a pot with 1/2 kg of water at 20 C and add 12,600 J to it, what is the final temperature?…
A: The given data are: m=12 kgTi=20 °CQ=12600 JC=4200 J/kg.C Here, m, Ti, Q, and C represent the mass,…
Q: What are the practical implications of thermal expansion
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Q: What would happen to the temperature of the gas
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Q: 0.0055 mol of gas undergoes the process shown in (Figure 1).
A: Given that: n=0.0055 mole Pi=3 atm= 3×1.01×105=3.03×105 PaVi=100 cm3=100 ×10-6 m3Pf=1 atm=1.01×105…
Q: Can a cup of boiling water possess more heat than a bucket of water at 50 °C ?
A: SOlution: energy with a cup with boiling water vs energy with bucket at 50 C temperature
Q: Compare the heat needed in taking 1 kg of gold from 25° C to 2700° C to taking 1 kg water from (–…
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Q: Two different objects receive the same amount of heat. Give at leasttwo reasons why their…
A: To determine: The reasons why the temperature changes will not be same for the two different objects…
Q: what is the meaning of the expression"it's not heat, it's the humidity?
A: The expression “it’s not the heat, it’s the humidity”, is used every summer.The heat index, which…
Q: How much heat was lost by the horseshoe in vaporizing 0.0100 kg of water
A: Given data: The initial temperature of water is: Ti=22∘C The mass of the water is: m=0.0100 kg The…
Q: What are the uses of specific heat in our daily life?
A: Substances having a small specific heat capacity, are very useful as material in cooking instruments…
Q: How much heat is lost through a 3’× 5' single-pane window with a storm that is exposed to a 60°F…
A: Heat lost Q is the product of U-value, temperature difference ∆T and area A. Therefore,
Q: A 10-kg iron ball is dropped onto a pavement from a height of 100 m. If half of the heat generated…
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Q: What generally happens to the temperature of rising air and sinking air?
A: If the Air sinking down compresses air at the surface, raising temperatures near the ground. The…
Q: If you drop a piece of ice on a hard surface, the energy of impact will melt some of the ice. The…
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Q: What is convection? A medium-less means of heat transfer. The measure of the ability of a material…
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Q: When I sit by a campfire, how does its hot air heat me?
A: When you sit by a campfire, most of the heat you are receiving from the fires does not come from hot…
Q: What is the specific heat of a substance that requires 3500J in order to raise its temperatures from…
A: Given data- Heat required (δQ) = 3500 J change in temperature (δT) = 25 K mass…
Q: Is fur a source of heat to our body?
A: Step 1Animals maintain their body temperature by thermo regulation.
Q: what is the purpose of determining the cooling constant?
A: According to the Newton's law of cooling, The cooling rate is proportional to the temperature…
Q: How does the latent heat of fusion of water help slow the decrease of air temperatures, perhaps…
A: The latent heat of fusion of a substance is the change in enthalpy of the substance when it changes…
Q: A hot object in a cool room will lose heat by which of the following modes of heat transfer?…
A: Conduction is mode of tranfer of heat without any actual displacement of medium particle Convention…
Q: What is the relationship between motion and heat transport?
A: Introduction: 1) Motion of an object is defined as change in its position with respect to time. 2)…
Q: What type of heat transfer helps the balloon rise?
A: To determine the mode of heat transfer that helps the balloon to rise.
What is latent heat?
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