A hot plate rated at 25 watts is used to heat water. How many Joules of heat energy is generated by the hot plate during 120 s?

Q: The heating element of a 1500 Watt electric stove can reach temperatures of 845 °C when turned all…

A: Power of electric stove (P) = 1500 Watt Final temperature (T) = 845o C percentage of heat from the…

Q: A hot water heater in a residential home runs for an average of 2.5 hours per day with a heat energy…

A: This question is based on electrical energy consumed in home or domestic connection.

Q: A circular swimming pool has a diameter of 24 ft, the sides are 5 ft high, and the depth of the…

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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: How much heat is needed to heat 5 kg of water from 20 degrees Celsius to water vapor at 100 degrees…

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Q: The amount of oxygen used by the body in metabolism is proportional to the energy yield, with 1…

A: Given data:  Energy produces by 1 liter of oxygen = 20000 J Oxygen consumed in one minute = 1.5 L…

Q: A person doesn't want to gain more weight. However, he decides to eat a meal of 10,000 Calories and…

A: Given Data The meal contains 10000 Cal=10000 Cal×4.19 J1 Cal=41900 J The person climbs a height of…

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

A: Given data: Mass m =100g Temperature T1=10°C Temperature T2=90°C

Q: A water heater can generate 31,000 kJ/hkJ/h. The specific heat of water is 4186 J/kg⋅C∘J/kg⋅C∘. How…

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Q: An ice cube has a mass of 73 g and is initially at a temperature of 0°C . The ice cube is heated…

A: Given data The mass of the ice is given as mi = 73 g. The initial temperature of the ice is Ti =…

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

A: Heat = 699 kJ  To find = Kilocalories

Q: Two railroad cars, each with a mass of 56,000 kg, are heading at 95 km / h towards each other. They…

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Q: How many calories does an electric heater of 100 watts generate per second?

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Q: How many calories will a 298-pound athlete consume after running a distance of 458 yards in 3.2…

A: Given data:

Q: how many caloriers are absorbed by a pot of water with a mass of 500g in order to raise the…

A: Given data:  Mass (m) = 500 g Initial temperature (Ti) = 20°C Final temperature (Tf) = 30°C…

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: A pot is filled with 9kg of water at 10 °C. Calculate how much heat energy would be needed to raise…

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Q: In a laboratory, bunsen burner is used to increase the temperature of lime from 10 °C to 50 °C with…

A: given,T1=10 °CT2=50 °Cthermal energy Q=8000 Jmass, m=20 kg

Q: Some amount of heat energy is removed from a 9cm X 26cm X 46cm block of ice to cool from 0ºC to…

A: initial temperature = 0 C final temperature = -26 C volume = 9 * 26 * 46 cm3 = 10764 cm3a) mass =…

Q: How much energy is converted to heat in braking a 1000 kg car to a speed of 5.00 m/s from an initial…

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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 bottle of soda pop at room temperature (72°F) is placed in a refrigerator where the temperature is…

A: To find: To find the temperature of a soda using the given intervals

Q: What volume (in m3) of natural gas would it take to generate 4.18 x 108 J of energy if the energy…

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Q: The ship is launched down a ramp and drops a total of 10 vertical meters [m] before coming to rest…

A: Here we use the law of conservation of energy. Energy lost by boat = Energy gained by water

Q: What is the heat capacity of a sample of liquid that rose in temperature by 5.23 °c when supplied…

A: Write the variable with the given values.

Q: How many calories of heat are required to raise the temperature of 4 kg of water from 50°F to the…

A: Given data: Mass of the water, m=4 kg Initial temperature, T1=50oF = 50-32×59 oC = 10 oC Temperature…

Q: How many calories does an electric heater of 10 watts generate per  second

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Q: Ex(1): What is the amount of heat energy necessary to raise temperature ( 3 kg ) of Aluminum from (…

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Q: Determine the amount of energy Q you need to take off from 320 kg of water if you want to decrease…

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Q: Some amount of heat energy is removed from a 10cm X 20cm X 43cm block of ice to cool from 0°C to…

A: Given that -- Some amount of heat energy is removed from a 10cm X 20cm X 43cm block of ice to cool…

Q: What is the power of a blender that uses 1000 J in 5 s?

A: Given: The amount of energy used is 1000 J. The time duration is 5 s. Introduction: The rate of…

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: What is the amount of thermal energy to raise the temperature (300g) of aluminum from (15°C) to…

A: Given Mass of aluminum is m=0.300 kg Change in temperature is…

Q: You burn 22 g of a peanut and warm 75 g of water. The temperature of the water increases by a total…

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Q: A person doesn't want to gain more weight. However, he decides to eat a meal of 10,000 Calories and…

A: given, person needs to burn , Q = 10000 Cal person burns all the calories by climbing 20 m high…

Q: How much heat does it take to raise the temperature if 10 kg of water by 1 degree Celsius

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Q: How much heat (in J) is needed to raise the temperature

A: Given that:- Mass=9kg T1=380 C, T2=8300 C /\T=T2-T1=7920 C C= Specific heat capacity of silver=230…

Q: he actual mass of water that could be heated by 30.0℃ using 62 900J of input thermal energy is…

A: The given data are: ΔT=30 °CQ=62900 J Here, ΔT denotes the temperature increase and Q denotes the…

Q: An ice cube has a mass of 66 g and is initially at a temperature of 0°C . The ice cube is heated…

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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: How much heat is given up when 20 g of steam at 100 deg C is condensed and cooled to 20 deg C?

A: mass of steam = 20 g initial temperature = 100oC final temperature = 20oC

Q: 450g of water is heated in a pot from 22°C to 62°C. The water has a specific heat capacity of 4190…

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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: A person eats an 408.85 J snack before working out. If a person uses all of their eaten energy to…

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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.