The heat of 50MJ in joule is ?

Q: A certain household has consumed 250 units of energy during a month. How much energy is this in…

A: Total units = 250 1 unit of energy is up to one kWh 1 unit = one kWh

Q: How much heat is required for 309 cm3 of water to raise its temperature a total of 2°C? The specific…

A: Write the given data. V=309×10-4 m2∆t=2 °Cc=1 cal/gρ=1000×103 g/m3

Q: An ice cube at 0 °C melts to water by absorbing heat. If 10.5 kcal of heat are required to melt the…

A: For a phase change, Q = n∆H where Q = heat (energy) lost or gained n = number of moles of a…

Q: Qhat is the energy stored in a body that can be transmitted as heat

A: Heat is a form of energy and it flow due to temperature difference between two objects .

Q: What would a scientist use a calorimeter for?

A: Given that- Calorimeter To determined that - What would a scientist use a calorimeter for?

Q: the specific heat capacity of a material is 5 Joules/(gram °C), how much eat do you need to raise 1…

A: given m = 1 gram specific heat C = 5 joules/(gram o C) ΔΤ = 10 o C

Q: How much energy is transferred when a gram of steam at 100oC condenses to water at 0oC?

A: When a substance is heated its temperature increases. This increase in temperature corresponds to…

Q: THe amount of heat that a substance has at a given temperature and pressure is called what?

A: Answer:-  The amount of heat that a substance has at a given temperature and pressure is called…

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

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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: The amount of heat required to raise the temperature of 2 kg of iron (sp. Heat = 0.115 kcal/kg-C)…

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Q: How much heat is necessary to change 30 g of water at 40°C into steam at 100° C?

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

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Q: An automobile cooling system holds 16 L of water. The specific heat of water is 4186 J/kg⋅C. How…

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Q: The unit of heat capacity is:

A: Heat capacity is defined as the amount of heat required or needed by an object to raise/increase its…

Q: A large jug containing 1.5 kg of water is placed in the freezer. (i) The water cools from 25 °C to 0…

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Q: The temperature of a silver bar rises by 10°C when it absorbs 1.23 kJ of energy by heat. The mass of…

A: The amount of heat absorbed is given as, Here, m, cs, and ΔT represent the sliver bar’s mass, the…

Q: How much heat energy is required to raise 2 kg of copper by 5º C?

A: Given: Mass, m=2 kg ∆T=5°C Specific heat capacity of copper, c=390 Jkg-1K-1

Q: aluminum has a higher specific heat capacity than iron this means that for equal masses of aluminium…

A: Answer:- Aluminum has a higher specific heat capacity than iron this means that for equal masses of…

Q: The temperature of 1000 g of water is to be raised from 20 °C to 80 °C.  The energy needed to do…

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Q: The heat of 12 kJ in J will be?

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Q: How much heat is required to melt a 94.4 kg lead brick at its melting point of 328°C

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Q: A change in temperature of 50 ^ 0 C is equal to a change of

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Q: What is the specific heat of the sample of wood when ten kCal of heat is added to its temperature…

A: Given: Heat supplied (Q )= 10 Kcal = 41840 Joules            Initial temperature (Ti) = 20°C…

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

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Q: A 70 kg person expends 85 Cal/h watching television the person eats 8 cups of popcorn that contains…

A: Given data: Mass of the person m=70 kg Number of popcorn cups=8 Calories per cup =55 per cup The…

Q: 0.025 kg of mercury is heated from 25°C to 155°C, and absorbs 455 joules of heat in the process.…

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Q: What is a decrease in material volume that is temperature is decreasing called

A: Required :   What is a decrease in material volume when temperature is decreasing called

Q: You hold a 65°C cup of cocoa. Your hand is 37°C and the outside air is 6°C. What is the flow of…

A: Flow of thermal energy (heat) is from higher temperature to lower temperature.

Q: Two KJ of heat energy is added to a 0.88 Kg glass jar at 20 oC, and its temperature is found to rise…

A: Mass of glass =0.88kg Initial teprature = 20°C Final temperature = 28°C Heat added =2kj

Q: A cube of steel is heated from 70 oF to 400 oF. If each side of the cube is 3.5 in, how much energy…

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Q: If the amount of heat energy given to an iron rod is {39} calories, then its value in joules is.

A: Given: The heat energy given to the iron rod is 39 cal.

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: an 8-oz leg boil at 100° c strikes a steel plate melts what is its change in heat the specific heat…

A: Given  The mass of lead is m = 8 oz = 8 x 0.0283495 kg = 0.226796 kg. The specific heat of the lead…

Q: a metal of mass 2*102 g Absorbs heat 5016 J when his temperature changes from 20 C to 30 C ,…

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Q: ice at 0.00 C is added to 1.00kg of orange juice cooling it from 20.0 C to 5.00 C what mass of ice…

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Q: The temperature of 100g of water is raised from 10 celsuis to 90 celsuis. The energy needed to be…

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Q: the thermal conductivity depends on?

A: Objective: To determine the dependency of thermal conductivity.

Q: The heat machine receives 1200 J of heat from high-tempera turo a heat source and release the heat…

A:

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: You take an ice-cream out of the freezer, kept at −18 ∘C. Outside it is 32 ∘C. After one minute, the…

A: Explanation We will solve the problem using Newton's law of cooling. From this law we know rate of…

Q: If coal gives off 30 MJ/kg when burned, how much coal isneeded to heat a house requiring 2.0x 105 MJ…

A: Given data The energy given by the coal is E=30 MJ/kg The required heat is Eo=2.0×105 MJ   Let n kg…

Q: The amount of heat needed to raise 1g of water by 1c is?

A: Specific heat of substance is the amount of heat required to raise the temperature of 1 g mass by…

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: armed to -3 ° (

A: