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

Q: The thermal energy of 0.900 mol of a substance is increased by 0.900 J.

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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: On a day when the temperature reaches 50°F, what is the temperature in degrees Celsius and in…

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Q: A 20 kg metal rod is heated 100°C with 2000 J of energy, What is the specific heat of the metal?

A: Given data:  Mass (m) = 20 kg Increase in temperature (ΔT) = 100°C Energy (Q) = 2000 J Required:…

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 temperature of 41 degrees Fahrenheit is equivalent to 5 degrees Celsius, and the temperature…

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

A: Amount of Heart added = 32 J Mass of iron bar = 255 g Specific heat of iron bar, C=0.46 J/g o C

Q: After the 1 kg block of ice melts, the amount of heat required to raise its temperature to 10°C is…

A: Given, Mass of melted ice(water), m= 1kg, increase in temperature, ∆T=100 C=283.15 K.

Q: In an experiment, 200 g of water is heated. The temperature increases by 3°C. The specific heat of…

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Q: After the 1kg block of ice melts, the amount of heat required to raise its temperature to 10 oC is

A: The heat required to raise temperature to 10 degree Celsius is the sum of heat gained for meting ice…

Q: How many kilocalories of heat does an expenditure of 699 kJ produce?

A: Heat = 699 kJ  To find = Kilocalories

Q: A gas is heated so that it expands from a volume of 2 L to a volume of 2.5 L. If the initial…

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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: The temperature of a 50 g sample of aluminum is raised from 20oC to 90oC when 770 cal of heat is…

A: Given,

Q: How many kilocalories of heat would be needed to melt 20kg of ice at -30 degrees Celsius and…

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Q: How much heat is needed to change a 500g of water to steam at boiling point?

A: Given data:  Water at boiling point  Mass (m) = 500 g Required: Heat needed to convert water into…

Q: How much heat in joules is needed to raise the temperature of 5.0 L of water from 0 degrees Celsius…

A: Given data:  Volume of water = 5.0 L = 5.0 × 10-3 m3 Initial temperature (T0) = 0 °C Final…

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: A hot 1 kg chunk of copper is allowed to cool from 700°C to 100°C. If the specific heat of copper is…

A: Given data The mass of the chunk of copper is: m = 1 kg = 1000 g The initial temperature of the…

Q: How many kilograms of ice will it melt?

A: Given data: The mass of water is: m =4 kg The mass of ice is: M The temperature of the water is: T1…

Q: A helium balloon is at 105 kPa. As the balloon rises the pressure drops to 95 kPa and its new volume…

A: Given values:- Initial pressure,(P1)=105 KPa ----(1) Final pressure,(P2)=95 KPa -----(2) Final…

Q: If you have 500 g of water at 25 degrees celcius and wish to heat it to 74 degrees Celsius, how much…

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Q: The water equivalent of 5 kg of a substance is 1 kg. Find its specific heat. 20930 J/kg-C° 4186…

A: Specific heat of 1 kg water is(c)= 4186 J/kg-oc Water equivalent of 5 kg substance is 1 kg Specific…

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: The amount of heat needed to raise the temperature of 1 gram of water by 1°C is

A: the amount of heat required at a pressure of 1 standard atmosphere to raise the temperature of 1…

Q: A 5-kilogram concrete block falls to the ground from a height of 10 meters. If all of its original…

A: The given values are, m=5 kgh=10 mCp=Cp,concrete=880 J/kg·K

Q: how much heat is needed to raise the temperature of 2 kg of water 5k

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Q: The number of grams of ice that can be melted by 1.5 g of 100oC steam is ______.

A: Given data The mass of steam is given as ms = 1.5 g. The temperature of the steam is given as Ts =…

Q: The temperature of a 100 g sample of aluminum is raised from 40 °C to 180°C when 1540 cal of heat is…

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Q: Ten calories of heat are added to 2 grams of water. The temperature of the water rises to a total of…

A: The specific heat capacity of water is 1 calorie/gram °C We have Q = ms(ΔT) Here Q = 10 calories…

Q: A person consumes about 2300 Cal a day. 1 Cal = 4186 J and 1 kWh= 860 Cal.If a power company charges…

A: person consumes = 2300 cal in one day 1 kwh = 860 cal  cost of 1 kwh energy = 12 ¢ means cost of 860…

Q: A man consumes 3000 kcal of food in one day, converting most of it to maintain body temperature. If…

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Q: A bottle containing 3 kg of water at a temperature of 20 degrees Celsius is placed in a refrigerator…

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Q: If the mass a piece of aluminum is 2kg and the change in heat is 3K, how much heat does it generate?…

A: Given data,                mass of Aluminum, M = 2 kg                change in temperature, ∆T = 3 K…

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: 50 g of copper is heated to increase its temperature by 100C. If the same amount of heat is applied…

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Q: If it takes 41000 joules of heat to melt 200 grams solid copper to liquid copper what is the heat of…

A: The expression for the heat of fusion of copper is, Q=mLL=Qm

Q: A balloon with a volume of 2.0 L is filled with a gas at 3 atmospheres. If the pressure is reduced…

A: "Since you have asked multiple question, we will solve the first question for you. If you want any…

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: If 25 kJ is necessary to raise the temperature of a block from 25C to 30C, how much heat is…

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Q: A wooden block has a mass of 0.200 kg, a specific heat of 710 J/(kg.degrees celcius), and is at a…

A: Thermal energy is defined as the energy contained within a system. Energy can be exchanged in the…

Q: How much heat is released by a system when 159 J of work is done on it to decrease its energy to 67…

A: We have change in internal energy dU=-67 J (Negative because decrease is mentioned) due to work done…

Q: A man consumes 3000 kcal of food in one day, converting most of it to thermal energy to maintain…

A: Heat of evaporation can be expressed as

Q: A college student produces about 122 kcal of heat per hour on the average. What is the rate of…

A: The relation between joules and kcal is given by, 1 kcalh-1=4.184×103 Jh-1

Q: When 100 J of heat is added to a system that performs 60 J of work, the thermal energy change of the…

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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: The radiator of a room contains 10 kilogram of water. If the water gives off 50,000 calories of heat…

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Q: The air in a room has a mass of 50 kg and a specific heat of 1,000 J/(kg.degrees celcius). What is…

A: Given,  Mass of air in the room =50 kg Specific heat of air =1000 J/(kg.degrees celcius) We have to…

Q: A piece of rock with a mass of 15.5 g and a specific heat of 1.76 J/g·°C is placed in a calorimeter.…

A: Given data:  Mass (m) = 15.5 g Specific heat capacity (c) = 1.76 J/g.°C Heat energy (Q) = 175 J…

Calorimetry

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