If heat energy is given to a substance and its temperature remains constant then the substance undergoes a change in

Q: A piece of iron has a mass of 329 g and a temperature of 92.0 °C. It's placed inside an insulated…

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Q: The amount of energy needed to change the phase of a substance is given by

A: Given data:  The phase of a substance changes  Required: Equation for the amount of energy needed

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

A: To determine: The final temperature of the different substances that produces different temperature…

Q: A Metal container with a mass of 2 kg and containing 2.30 kg of water is put it on a fire. Assume…

A: Mass of metal container = 2 kg Mass of water = 2.30 kg Initial temperature = 20o C Final temperature…

Q: Suppose you have 1 kg each of iron, glass, and water, and all three samples are at 10°C. (a) Rank…

A: (a) The formula for the heat added to raise the temperature of a substance is: The specific heat of…

Q: A closed rigid container has a volume of 2000 L and holds air initially at 350 kPa and 300 K. Heat…

A: We need to calculate the amount of heat to be added to the system to increase its temperature to 530…

Q: An unknown metal weighing 900g at an initial temperature 140oC is placed into an insulated container…

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Q: A gas sample in a closed rigid container absorbs heat and the temperature increases. The amount of…

A: The amount of work done is given as W=P∆V    Where ∆V is the change in volume

Q: The temperature of a iron bar rises by 10.0°C when it absorbs 2.35 k) of energy by heat. The mass of…

A: Given data:  The change in temperature (ΔT) = 10.0°C Heat Energy (Q) = 2.35 kJ Mass (m) = 525 g =…

Q: The S.I unit of specific heat is: O a. J/Kg O b. Kg /J O c.J/ Kg C O d. Cal / kg K

A: The SI unit of specific heat is: J / Kg C

Q: The internal energy of a gas changes from 10 calories to 15 calories went 6 calories of heat are…

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Q: Heated brass rod cools faster than heated aluminum rod. Specific heat of aluminum in comparison to…

A: Introduction: The specific heat capacity of the object is defined as the heat energy required to…

Q: A 0.25 liter of hot water at 90 degrees Celsius is set on a table. By the time it has cooled to 60…

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Q: In the process of conduction the heat is transmitted by: a) transport of hot material b) molecular…

A: Conduction is the process of transferring of heat with help of molecules vibrating at their mean…

Q: When the temperature of a gas increases, the internal energy of the gas

A: Temperature increases

Q: When heat energy is incident on a body, then (a) it is reflected (b) it is absorbed (c) it is…

A: When the heat is incident on the smooth and light color body, more heat is reflected from the…

Q: A food product with 82% moisture content is being frozen. Estimate the specific heat of the product…

A: Solving the problem by using RAC concept

Q: When there is temperature difference between two systems, there will be a transfer of thermal energy…

A: This statement is from the Thermodynamics.

Q: Heat is the flow of energy from one object to another due to volume differences.

A: Heat is one form of energy that flows from one object to another when there is a temperature…

Q: When heat energy stops flowing between two objects in contact, then they are in _____________

A: According to the zeroth law of thermodynamics when two objects are separately in thermal equilibrium…

Q: A small iron nail is out into a bucket of cool water. Which of the following is true? the decrease…

A: Heat flows from the high temperature to the low temperature. In this flow temperature of the body of…

Q: What happens when hot materials begin to cool? Hot materials begin to cool as _. A.)cold air is…

A: Given:-  What happens when hot materials begin to cool? Hot materials begin to cool as Find:-…

Q: he amount of heat required to change the temperature of a given material is inversely oroportional…

A: Mathematical relation between amount of heat , temperature change , and mass of material is as…

Q: In a certain process, the energy of the system decreases by 250 kJ. The process involves 480 kJ of…

A: In a closed system, the net change in the total energy of the system is  mathematically given as,…

Q: The temperature of a swimming pool is maintained at 20-degree Celsius when the outside temperature…

A: The expression for the required comparison between the heat transfer energy is,

Q: The amount of heat required to change the phase of 1 kg substance is a. latent heat b. either…

A: When heat is transfer to substance, two types of change is observed that is: Phase change and…

Q: A 30.0-g ice cube at its melting point is dropped into an aluminum calorimeter of mass 100.0 g in…

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Q: A small hot iron nail is put into a pot of cold water. Which of the following is true? The decrease…

A: when a small hot iron is put into a pot of cold waterif we assume the iron nail and put of cold…

Q: The process of transfer of heat in liquid and gas is called as

A: RADIATION in radiation energy (heat) is transfer in from of electromagnetic wave.  and it does not…

Q: Mechanical energy is converted into heat energy when

A: mechanical energy can be converted entirely into heat Complete conversion of mechanical energy into…

Q: The specific heat of a material depends on the type of + and is a constant. If the specific heat…

A: The specific heat of a material depends on the type of material and is constant.

Q: Heat is? a.) the amount of thermal energy in an object. b.) the energy that moves from a hotter…

A: Heat is defined as the energy in transit due to the temperature difference existing between two…

Q: The specific heat of a material depends on the type (     ) and is a constant. 2. If the specific…

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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: A hot pot of water is set on the counter to cool.  After a few minutes it has lost 460 J of heat…

A: In this question we have to calculate how much heat energy has the surrounding air gained.

Q: Define the term specific latent heat of fusion of ice. State its SI unit. Write the approximate…

A: Specific latent heat of fusion of ice:The specific latent heat of fusion (when solid change to…

Q: Calculate the specific heat of a metal from the following data. A container made of the metal has a…

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Q: A lead bullet strikes a target with a velocity of 200m/s and is brought to rest. Calculate the rise…

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

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Q: When a material changes phase - liquid, solid, gas- heat exchange is required. This heat is called…

A: Given: Mass of water, m= 0.55kgChange in temperature, -20 to 20 degree celciusL for ice to water , L…

Q: The specific heat of a yellow metal is twice as much as silver metal. If the same amount of energy…

A: Given: The specific heat of yellow metal is twice of silver metal. The mass of the yellow metal is 2…

Q: What would be the effect on the particles if more heat flow in to the system? 000 O a. They would…

A: When more heat flow into the system, all of the heat energy due to the heat flow is converted into…

Q: You have 10 kg of an unknown solid substance.  You heat it from 0°C to 100°C.  This requires 130,000…

A: Given data:  Mass (m) = 10 kg Initial temperature (T0) = 0 °C Final temperature (T) = 100°C Heat (Q)…

Q: If there is no transfer of energy between two objects then their temperature is

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Q: The 1 kg block of ice melts into water. The amount of heat absorbed by the ice as it melts is

A: Heat absorbed to melt the ice in water is known as the latent heat of melting . The standard value…