How much heat is required to raise the temperature of a gold earring from 25.0°C to 30.0°C? The earring weighs 25g, and the specific heat of gold is 0.128J/g°C.

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…

A: Heat Added =  q= 435 JMass of olive oil = M = 3.4 gInitial Temperature of Olive oil = Ti = 21°CFinal…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 124.0 g sample…

A: We are assuming no any phase change during additon of heat .  Change in temperature  = 9.9 -(-2.6)…

Q: 12.755 g of a mental initially at 99.0 degrees C are placed into 75.0 g of water initially at 23…

A: The specific heat can be defined as the amount of heat per unit mass that is needed to raise the…

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: 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: How many joules are required to heat 180g of water from 20c to 35c. The specific heat of water is…

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Q: A 125 g of metal is heated to 286 Celcius and dropped into 85.5g of water at 26.0 Celcius. The metal…

A: Heat Capacity: It may be defined as the amount of heat energy needed or loosen by anybody to change…

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: 125 mL of H20 is initially at room temperature (22.0°C). A chilled steel rod at 2.0°C is placed in…

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Q: In order to change the temperature of 147 g of lead from 22 o C to 55.oC, how many Joules are…

A: Q = mc∆T Q = heat M = mass C = specific heat capacity ∆T = change in Temp.   M = 147 g ∆T = Tfinal –…

Q: True or False? If 25 grams of hot water are added to 35 grams of cold water, the heat lost by the…

A: The given statement is TRUE here

Q: 3. The temperature of a 95.4 g piece of copper increases from 25.0°C to 48.0°C when it absorbs 849 J…

A: According to the question,  We have: Temperature of copper = 95.4 g Initial temperature = Ti = 25 °C…

Q: repair crews to weld rails together. -) Ⓡ 2Fe(s) + Al2O3(s) DH rxn= -850 kJ -n, in grams, is formed…

A: Exothermic process is the one in which energy is liberated from the system to the surrounding in the…

Q: A piece of unknown metal weighs 348 g. When the metal piece absorbs 6.64 kJ of heat, its temperature…

A: Given: Mass, m = 348 g Heat, q = 6.64 kJ Tf = 43.6oC Ti = 22.4oC

Q: Chargers for cell phones get warm while they are being used. Some of the energy that they are using…

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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: 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: A 5.0 g piece of metal is heated to 100 degrees Celsius, then placed in a beaker containing 20.0 g…

A: Given:Specific heat of water = 4.18 J/g. oCMass of metal = 5.0 gMass of water = 20.0 g.Initial…

Q: In the laboratory a student determines the specific heat of a metal. He heats 18.8 grams of aluminum…

A: Given that-Mass of aluminium=18.8 gramsIts initial temperature=98.63°CMass of water=79.1 gramsIts…

Q: It takes 46.0 J to raise the temperature of an 8.60 g piece of unknown metal from 13.0∘C to 24.8 ∘C.…

A: Given, Heat required = 46.0J. Mass of unknown metal = 8.60g. Initial temperature = 13.00C. Final…

Q: A 25.0 g mercury is heated from 25 °C to 155 °C and absorbs 455 J of heat in the process. What is…

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Q: The initial temperature of a 12g sample of copper is 25 C.  If the sample absorbs 226J of heat, what…

A: Given: Heat absorbs = 226 J Heat capacity of copper = 0.385 J/g⋅∘C Mass of copper = 12 g Initial…

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

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Q: An iron can weighing 50 grams absorbs 256.0 J of heat and warms by 11.4C. What is the specific heat…

A: The amount of heat required to raise the temperature of a substance by one degree Celsius is called…

Q: How much heat is required to raise the temperature of 6.21g sample of iron from 25.0 Celsius to 79.8…

A: Temperature change (ΔT) taking place in 6.21g of iron is given.

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: Aluminum has a specific heat of 0.9J/(g °C). How much energy in kJ is needed to raise the…

A: Given, mass of Al block = 625 g  Specific heat, c = 0.9 J/g°C

Q: If you wish to heat 4.0 L of water on the wood stove from 10.0 °C to 90.0 °C, how much heat must…

A: To solve this problem, we have to use formula which is- Q=m.c.dT Where m is the mass c= specific…

Q: In the laboratory a student finds that it takes 37.4 calories to increase the temperature of 14.3…

A: The amount of heat requires to increase the temperature of one gram of compound by 1° is called 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: It takes 45.0 J to raise the temperature of an 10.6 g piece of unknown metal from 13.0° C to 24.9…

A: Given :-  Amount of heat absorbed = 45.0 J  Mass of piece of metal = 10.6 g  Initial temperature =…

Q: A 25-gram metal ball is heated 200 °C with 2330 Joules of energy. What is the specific heat of the…

A: Let specific heat of metal = s J/g.oC Heat absorbed, q = ms∆T                       2330 = 25 x s x…

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: Given a 49.8-g49.8-g sample of this substance with a specific heat of 59.0 J/(kg·°C),59.0 J/(kg·°C),…

A: A sample whose temperature is changed from 180°C to 256°C, whose quantity of heat energy released is…

Q: Calculate the amount of heat required to raise the temperature of an 91g sample of water from 39 ∘C…

A: The heat required to raise the temperature of a substance can be expressed as:

Q: In one box of nails, there are 75 iron nails weighing 0.280 lblb . The density of iron is 7.86…

A: Given: Mass of 75 iron nails = 0.280 lb. Specific heat of iron = 0.452 J/g.oC. Since 1 lb = 453.6 g.…

Q: How much heat is needed to raise the temperature of 81.0 gof water from 35.0 °C to 94.0 °C? 289000 J

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Q: How much energy is needed to raise the temperature of a 20.0g piece of copper from 15.0 degrees…

A: Specific heat capacity is defined as the quantity of heat absorbed by 1 gof substance to raise the…

Q: The specific heat of aluminum is 0.900 j/g*C, how many joules of energy are required to raise the…

A: Given, mass of Al (m) =20.0 gspecific heat of Al (c) =0.900 Jg.°Cinitial temperature T1 =10.0…

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: What mass of lead is needed to absorb 348 J of heat if the temp of the sample rises from 35.2…

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Q: 1. How much heat must your body transfer to 500.0g of water to heat it from 25.0°C to body…

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Q: A 43.9 g spoon made of pure silver (c = 0.235 J/g C) at 20.1 celcius is used to stir an 8 oz. (240…

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Q: Calculate the quantity of heat required to warm 1.25 L of water from 22.0°C to 98.0°C in an electric…

A: We have 1.25 L of water , initial and final temperature are 22°C and 98°C, we have to calculate the…

Q: A glass contains 250.0 g of warm water at 78.0°C. A 50.0 g piece of gold at 2.30°C is placed in the…

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Q: f we added 10,000 joules to gold at 20 degrees Celsius, its temperature would rise to 1570 degrees…

A: The heat absorbed by the gold metal can be expressed as follows: Q = mcTf - TiQ = Amount of heat…

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 =…