An iron bar of mass 869 g cools from 94°C to 5°C. Calculate the heat released (in kilojoules) by the metal. Iron has a specific heat of 0.444 J/g °C.

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Q: If it takes 41.72 joules to heat a piece of gold weighing 18.69g from 10.0°C to 27.0°C, what is the…

A: Given, the amount of heat taken by gold q = 41.72 joules amount of gold m = 18.69 g and increase in…

Q: If 4.0 grams of water at 1ºc absorbs 33 joules of heat, what will be the change in temperature of…

A: Given,Mass of water= 4gTemperature = 1 degree Celsius.Heat = 33J

Q: It takes 54.0 J to raise the temperature of an 11.5 g piece of unknown metal from 13.0 Celcius to…

A: The relationship between heat required and specific heat of a substance is given below.

Q: Calculate the joules of heat required to raise the temperature of 34 g copper bowl from 20 oC to 45…

A: The mass of copper is = 34 g The increase in the temperature is = 45oC-20oC = 25oC The heat…

Q: The specific heats of several metals are given below. If the same number of Joules were applied to…

A: The specific heat capacity (C) of a substance is generally expressed in J/goC. It is given as the…

Q: A 7.0-gram metal sample absorbed 211 J of heat as it was heated from 28°C to 85°C. What is the…

A: Given details, m = 7.0 g Q = 211 J T1 = 28° C T2 = 85° C To calculate the specific heat of the metal…

Q: A 167.8 g piece of iron initially at 25.0 Celsius, absorbs 10943 J of energy. What will the final…

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Q: 1-  During a chemical reaction, which of the following statements is ALWAYS true?  I) A system…

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

Q: A 55-gram aluminum spoon (specific heat 0.88 J/g°C) at 54°C is placed in 150 mL of coffee at 105°C…

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Q: How much heat is needed to raise the temperature of 91.0  g of water from 34.0 °C to 98.0 °C?

A: Mass of water, m =91.0  g Initial temperature, T1=34.0 °C Final temperature, T2=98.0 °C Specific…

Q: 1. How much heat is needed to raise the temperature of 1000 g of metal from 0°C to 10°C if the…

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Q: A 789.0 g of water is placed in a freezer. The temperature of water changes from 30.5 degrees…

A: Given : mass = 789.0 g Initial temperature (T1) = 30.5 degree Celsius Final temperature (T2) = 0…

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Q: How much heat is required to raise the temperature of 55 grams of water from 16 degrees Celsius to…

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Q: Solve this

A: The heat capacity is the ratio of the energy supplied in the form of heat to the rise in the…

Q: It takes 45.0 J to raise the temperature of an 11.8 g piece of unknown metal from 13.0∘C to 24.5 ∘C.…

A: The specific heat capacity for a given substance refers to the amount of heat that is needed to…

Q: Aluminum has a specific heat of 0.902 J/goC. How much heat is gained when a piece of aluminum with a…

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Q: We heat a 25-g sample of metal from 10 °C to 85 °C, 1082 J of energy is added to it by heat.…

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Q: When 435 J of heat is added to 3.4 g of olive oil at 21°C, the temperature increases to 85°C. What…

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Q: A 248.5 g water bath is heated to 98.2 ˚C from 22.2 ˚C.  How much heat was absorbed by the water, in…

A: Specific heat and heat of the Substance are interrelated with each other by -   Q = C m ∆T Here, Q =…

Q: how many joules of energy are released when 100.0 g of water cools from 98 degrees Celsius to 30° c…

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Q: Determine the specific heat capacity of 250.0g of an unknown metal. When the metal absorbs 18.1 kJ…

A: a) Given that: mass of metal = 250.0g initial temperature, Ti = 23.1°C final temperature, Tf =…

Q: A sample of sand at 21.5 degrees C absorbs 1.400E3 Joules of energy. The final temperature of the…

A: The relationship between heat and change in temperature is given by,

Q: If 300 g of water at an initial temperature of 30°C absorbs 750 J of heat, what is the final…

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Q: Copper wires used to transport electrical current heat up because of the resistance in the wire. If…

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Q: 3) Calculate the heat capacity of a piece of wood if 1500.0 g of the wood absorbs 6.75x104 joules of…

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Q: A 55.0g sample of metal z requires 675j of energy to heat it from 25.0 to 118.0 Celsius? Calculate…

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Q: 4. 448 Joules of heat are required to raise the temperature of a 10 gram sample of metal from 10…

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Q: How much heat is required to raise the temperature of 25g of water from 25.0°C to 30.0°C? The…

A: Mass of water, m = 25 g Specific heat of water, Cs = 4.184 J/g °C Initial Temperature, Ti = 25 °C…

Q: A sample of a metal weighing 18.3 g was heated to 99.9°C, then placed into a calorimeter containing…

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Q: The specific heat c of marble is 858 J/g K. How much heat is needed to heat 20 g of marble from 22…

A: Heat absorbed by the water bath is given by: q = m × C × ∆T Where, q = heat absorbed m = mass of the…

Q: aluminum metal has a specific heat of 0.901 j/g*c. How much heat is transferred to a 6.75 g peice of…

A: Given,Mass of aluminium = 6.75gInitial temperature = 20 degree CelsiusFinal temperature = 100 degree…

Q: A beaker of hot water with a volume of 43.9 mL has an initial temperature of 94.3 °C. You place a…

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Q: In the laboratory a student finds that it takes 14.8 Joules to increase the temperature of 10.6…

A: The specific heat (C) of a compound is mathematically expressed as: C=Qm×∆T…

Q: In the laboratory a student uses a "coffee cup" calorimeter to determine the specific heat of a…

A: Here, we need to calculate the value of specific heat of tin. Specific heat formula is used to…

Q: The temperature of a 16.2g sample of gold increases from 20.5°C to 30°C. If the specific heat of…

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Q: A block of aluminum weighing 140 g is cooled from 98.4°C to 62.2°C with the release of 1080 joules…

A: Recall the following relation according to law of calorimetry amount of heat…

Q: 4. A block of aluminum weighing 140 g is cooled from 98.4°C to 62.2°C with the release of 1080…

A: Can find this answer in the image attached below.

Q: In the laboratory a student determines the specific heat of a metal. He heats 18.4 grams of…

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Q: How much heat is required to raise the temperature of 15 x 10g of water from 45F to 130F? The…

A: Answer: This question is based on the following formula: Q=mS∆There:Q=heat exchangedm=mass of the…

Q: If the same amount of heat is applied to 10 grams of the following four materials, which will reach…

A: The heat capacity of the substance can be given as -  Q = MC∆T  Where -  Q = heat absorbed or…

Q: A 4.8 sample of water starting 56 C loses 448 J of energy in the form of heat. What is the final…

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Q: An object that has a mass of 75 g is heated from 50°C to 93°C. If it takes 3000 J for the…

A: Given: Mass of object = 75 g Initial temperature = 50°C Final temperature = 93°C Heat required =…

Q: How much heat is absorbed by 80.0 g of iron (Fe) when its temperature is raised from 250C to 5000C?…

A: Given: The specific heat of iron = 0.444J/g.oC Mass of iron = 80.0 g Rise in temperature = (500 -…