A 147.5 g piece of copper (specific heat 0.380 J/g･°C) is heated and then placed into 400.0 g of water initially at 20.7°C. The water increases in temperature to 22.2°C. What is the initial temperature (in °C) of the copper? (The specific heat of water is 4.184 J/g･°C).

Q: A 45-g aluminum spoon (specific heat 0.88 J/g °C) at 24 °C is placed in 180 mL (180 g) of coffee at…

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Q: What amount of energy is required to heat 71.1g of marble from 21 degrees celcius to 151 degrees…

A: Recall the following expression to calculate amount of required energyQ…

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

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Q: The specific heat capacity of iron is 0.45J/gC How many joules of energy are needed to warm 1.16g of…

A: Since the heat required to increase the temperature of metal is given by  Q = mCΔT  where m= mass =…

Q: When 151.0 mL of water at 26.0 C is mixed with 71.0 mL of water at 85.0 C, what is the final…

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Q: The density of a specific substance is 1.23 g/cm3. Likewise, it has a specific heat of .645 cal/g…

A: Given data,  Density of a substance = 1.23 g/cm3  Specific heat (s) = 0.645 cal/g°C  Mass of sample…

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: Given the specific heat for aluminum is 0.9000 J/g·K, how much heat (q in Joules (J)) is released…

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Q: please help with this question

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Q: 1. If 200. grams of water is to be heated from 24.0°C to 100.0°C to make a cup of tea, how much heat…

A: Given that:                                             Mass of water = 200 g…

Q: what is the mass (in grams) of the sample?

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Q: A 70.0-g piece of copper metal at 54.0 °C is placed in 50.0 g ofwater at 26.0 °C. If the final…

A: By law of conservation of energy : Heat released by copper = heat absorbed by water m1s1∆T1 =…

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

A: The question is based on the concept of calorimetry. We have to determine specific heat capacity of…

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: A hot 1 kg chunk of copper is allowed to cool to 100 °C. If the copper gave off 231 kJ of energy,…

A: Given, The mass of copper (Cu) = 1 Kg = 1000 g Q (heat energy) = - 231 kJ = -231 x 103 J. Final…

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

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Q: 500.0 g of acetone is heated from –100.0 °C to 60 °C. How much heat (in kJ to two decimal places) is…

A: Given,  Mass of acetone, m = 500 g = 0.5 kg  Change in temperature, ∆T = 60-(-100) = 160 °C Cp for…

Q: A chemical substance has a specific heat of 0.897 J/g-ºC. If an unknown mass of this substance is…

A: Answer:- This question is answered by using the simple concept of calculation of heat using the…

Q: The specific heat of a certain type of metal is 0.128 J/(g*c). What is the final tempature if 305J…

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Q: An amount of food is burned and releases 6800.0 calories of energy. What mass of water can be heated…

A: The amount of heat transferred in a system is calculated as follows,…

Q: A slab of iron ( 465g) is removed from an oven and plunged into 375g water in an insulated…

A: Given, Mass of iron, mi = 465gMass of water, mw = 375g(Tw)i = 26oC , (Tw)f = 87oC Cfe = 0.449 J/g oC…

Q: spesic nent iron 0.449 J.g".°C-! Spetic neat cOPper 0.385 J.9 A) s.o g cu b) l.0 g Fe S.O 9 c) 1.0g…

A: Recall the following relation from law of calorimetry       Q=m×C×∆tHere,amount of heat evolvedQ=9.5…

Q: 12. An aluminum kettle weighs 1.05 kg.(a) What is the heat capacity of the kettle?(b) How much heat…

A: (a) Given that mass of aluminium kettle =1.05 kg = 1050 g Now, heat capacity is explained as the…

Q: A 250.0 g sample of methanol is heated from 0 °C to 40 °C. How much heat (in kJ to two decimal…

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Q: A 125g piece of metal is heated to 288celcius and dropped into 85.0 g of water at 12.0 Celsius. The…

A: Given,Mass of metal = 125 gTemperature = 288 oCMass of water = 85.0 gTemperature = 12 oCFinal…

Q: A metal radiator is made from 13.96 kg of iron. The specific heat of iron is 0.449 J/g °C. How much…

A: Given;

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: 8. A 7.0-gram metal sample absorbed 211 J of heat as it was heated from 28°C to 85°C. W containing…

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Q: A 45g silver spoon (specific heat 0.24 J/g.°C) at 25 °C is placed in 180 g of coffee at 95 °C and…

A: The final temperature of the spoon and coffee will be same.  we know , Heat = ms∆T(m is…

Q: Specific Heat Mass of metal 42.156 g Mass of cups and water 60.082 g Mass of cups 10.811 g Mass of…

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Q: how many calories are required to heat 52.7g of aluminum from 100 celsius to 285 celcius ? specific…

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

Q: if a 26.8 g sample of water (Cwater=4.184J/(g Celcius)] is cooled from 75.6 degrees Celcius to 20.1…

A: Heat change of a cooling or heating process is given by  Q = mCΔT where m = mass of water = 26.8 g C…

Q: A 49 kg sample of water absorbs 358 kJ of heat. If the water was initially at 28.4 ∘C, what is its…

A: The final temperature is calculated using the given formula,

Q: 125g of zinc initially at 20 degrees celsius absorbs 500 J of heat, calculate the final temperature.

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Q: A 24.0 g sample of iron was heated from 0°C to 35.0°C. It absorbed 4087.4 J of energy as heat. What…

A: Consider the given equation as; Q = M C dT                          .......(1) Consider the given…

Q: A piece of metal weighing 98.4 g with a specific heat of 0.46 Jg-¹ °C-1 at 1028.6 °C is dunked into…

A: Given that,  The weight of the metal piece is mM = 98.4 g, The specific heat of the metal is CM =…

Q: The specific heat of a certain type of metal is 0.128 J/(g-°C). What is the final temperature if 305…

A:

Q: A total of 665.19 Joules of heat are observed as 49.79g of lead is heated from 12.0°C to 78.12°C.…

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Q: The specific heat of a metal is 0.143 cal/g-K. Calculate the heat necessary (in J!) to raise the…

A: Step 1: Given that: Specific heat of metal (c) = 0.143 cal/g.K Temperature before heating (T1) =…

Q: 1,922 Joules of heat are added to 42.5 grams of water, initially at 20∘C. What is the final…

A: The final temperature is given below

Q: 12. A ring with a mass of 25.5 g appears to be pure silver. Rather than test for density, you can…

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Q: 13. A beaker containing 250.0 g of water is heated with 1500.0 J of heat energy. If the temperature…

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Q: Calculate the specific heat capacity of a piece of wood if 1500.0 g of the wood absorbs 67,500…

A: Specific heat capacity can be calculated as follows

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: An electric range burner weighing 619.0 grams is turned off after reaching a temperature of 499.9°C,…

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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 =…