A piece of steel expands 10 cm when it is heated from 20 to 40 degrees C. How much would it expand if it was heated from 20 to 60 degrees C?

Q: If 7.5 kg of ice at 0 degrees celcius is put into an icebox, how many joules of heat are absorbed…

A: The heat absorbed by the ice to melt into water is given by                          Q= m L…

Q: How much heat is absorbed by a 2kg iron skillet over a camp fire as it goes from 25*C to 150*C,…

A: The specific heat of iron is 450 J/kg°C. Write the equation for the heat absorbed. Q=mCTf-T1 Here,…

Q: How much heat is lost if 60 g of iron is cooled from 80 °C to 15 °C? The specific heat capacity of…

A: The heat lost is given by  H = m c (T' - T) where, m is the mass, c is the specific heat and T' - T…

Q: A coolant lowers the temperature in a steel engine weighing 16250 N and running at a temperature of…

A: The mass of the steel engine is,

Q: The center span of a steel bridge is 1,401 meters long on a winter day when the temperature is -5 C.…

A: Given data:  Original Length (L) = 1401 meters Initial temperature (T0) = -5 C Final temperature…

Q: 0.1 Kg of 4.0°C water is heated until its temperature is 37°C. If the specific heat of water is 4186…

A: Given Data : The mass of water is given as m = 0.1Kg. The temperature of the water before heating is…

Q: If the specific heat of water is 4,186 J/kg∙°C, how much heat is required to increase  the…

A: Given: The mass of the water is 1.2 kg. The specific heat of the water is 4186 J/kg.oC. The initial…

Q: How much energy (in MJ) is needed to raise the temperature of 0.196 m3 of water from 17.2˚C to…

A: Given data: Volume (V) = 0.196 m3 Initial temperature (To) = 17. 2 °C Final temperature (T) = 81.4…

Q: How much heat is removed when 100 g of steam at 150◦C is cooled and frozen into 100 g of ice at 0◦C.…

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Q: Trying to stay awake for an all-night study session, a student makes a cup of coffee by first…

A: Given: m =500g =0.5 kgT1 =20.0 °CT2=95.0 °C

Q: If the specific heat of water is 4186 J/kg C. If 20000 J are added to 2 kg of water at 20oC, what…

A: It is according to the equation, Q = ms(Tf -Ti) Where, Q: Heat added              m: mass…

Q: How much heat must be absorbed by 275 grams of water to raise its temperature by 25˚C?

A: The mass of the water is m= 275 g = 0.275 kg. The raise in the temperature of water is ∆T=25°C.

Q: If 5 kg of water freezes at 0ᵒ C, how many kilocalories of heat are liberated?

A: Amount of heat release when water freezes is called latent heat of fusion. Latent heat of fusion(L)=…

Q: A piece of aluminum whose mass is 10 kg has a specific heat capacity of 900 J/kg×°C and is warmed by…

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Q: A piece of steel expands 10 cm when it is heated from 20 to 40°C. How much would it expand if it was…

A: Write the expression for linear expansion for the first case and substitute the known values.

Q: How many joules are needed to change the temperature of 1 gram of water by 1°C?

A: Mass of water is 1g Temperature change is 1oC Specific heat capacity of water (s) is 4.2 J/g

Q: How much heat is required to raise the temperature of 80 g of water from 10 ° C to 95 °C?

A: Heat given  Q=mc (T2 -T1 )

Q: How much will the temperature change if 5000J of heat is added to 1.0kg of sand?

A: Given data:  Heat added (Q) = 5000 J Mass (m) = 1.0 kg Required: Change in temperature (ΔT)

Q: How much energy (in MJ) is needed to raise the temperature of 0.152 m3 of water from 20.9˚C to…

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Q: At 20∘C, a brass cube has an edge length of 25 cm. What is the increase in cube's surface area when…

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Q: What is the specific heat of an object that weighs 15g and changes temperature from 30 degrees C to…

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Q: A circular sheet with a diameter of 8.00 cm is cut from an aluminum sheet at room temperature. If…

A: Note :- We’ll answer the first question since the exact one wasn’t specified. Please submit a new…

Q: A piece of steel expands 10 cm when it is heated from 20 to 40 deg C. How much would it expand if it…

A: Let the original length of the piece of steel be l and the coefficient of thermal expansion be α.

Q: How much heat energy is needed to warm 8.0 kg of ice at – 5.0°C to water at 20.0°C?

A: mass of ice (m) = 8 kg initial temperature = -5oC final temperature = 20o C latent heat of fusion of…

Q: What is the amount of energy required to raise the temperature of a 2.5 kg block of ice at -25°C to…

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Q: How much heat is necessary to raise 30 g of water at 10°C to 62°F?

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Q: How much heat is required to convert ice with a mass of 12.0g at an initial temperature of -10.0°C…

A: For heating ice from -10oC to 0oC : The heat required is Q1=mc∆TQ1=12(2.1)(0-(-10))Q1=252 J

Q: block of ice weighs 4.9N and has a temperature of -6℃. How much heat energy is required to convert…

A: The latent heat of fusion of ice is 33600 J/K The heat of vaporization of water is about 2,260 kJ/kg…

Q: What is the heat transfer required to freeze 2 liters of water at 50°C to ice at 0°C?

A: Given Volume of water = 2 liters = 2 × 10-3 m3 Initial temperature of water = 50°C Final…

Q: Five kilograms of alcohol is at a temperature of 60°C. How much heat must be removed to reduce its…

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Q: What is the specific heat capacity of silver metal if 0.05 Kg of the metal absorbs 47.3J of heat and…

A: In the given question given the mass of the substance , absorbed heat and temperature and we have to…

Q: A bulb delivers 25 W of radiant energy when its filament is at 1500 °C . If the temperature…

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Q: Calculate the amount of heat (in kJ) needed to raise the temperature of 50.0g of water 20.0°C to…

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Q: If 3000 Joules was used to heat up 100 grams of water, how much would the temperature of the water…

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Q: How much heat is released if 4.00kg of steam cools from 150.0°C to 100°C? How much heat is released…

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Q: How much heat joules is needed of 5.5 L of water to raise the temperature of of water from 0°C to…

A: Given-  Volume of water , V = 5.5 L Initial temperature of water, Ti = 0o C  Final temperature of…

Q: Calculate the heat needed to heat up a 6.0 kg copper from 15°C to 80°C. The specific heat capacity…

A: Mass of copper: m = 6.0 kg Initial temperature: Ti = 15°C Final Temperature: Tf = 80°C Specific heat…

Q: The water equivalent of 5 kg of a substance is 1 kg. By how much will its temperature change if 7550…

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Q: A body cools from 72 degrees to 60 degrees C in 10 minutes. How much time will it take to cool from…

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Q: 10 kg of copper wire is heated from room temperature (22 C) to 45 C. What was the change in Thermal…

A: Given, Mass of rod  m  = 10  Kg T0 = 22C∘ Tf = 45C∘

Q: How much energy is needed to heat 6.2 kilograms of gold from a temperature of 0 °C up to its melting…

A: We know the heat required is given by Q=mC∆T Here  m=6.2 kg=6.2×103g C=0.031 cal/g°C…

Q: specific

A: A substance that has more specific heat absorbs a large amount of heat without rising in…

Q: A bottle containing 6 kg of water at a temperature of 15°C is placed in a refrigerator where the…

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Q: If we use 67 W of power to heat 148 g of water, how long will it take to raise the temperature of…

A: Given: mass=148g =0.148 Kg            Power=67W              Ti= 15 °C              Tf=25 °C…

Q: If the temperature is 5 degrees Celcius in the high desert with an altitude of 3500 meters. What is…

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Q: One gram of ice at 0°C is placed on a container containing 2,000,000 cubic meters of water at 0°C.…

A: Given data: ice's mass m = 1 g  Initial temperature Ti = 0 oC final temperature Tf = 0 oC volume of…

Q: Thirty-two joules of heat is added to a 255 gram iron bar How much will the iron bar’s temperature…

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Calorimetry

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