A piece of gold (specific heat of 0.129 J/g oC) at 190 oC is placed in 165 mL of water. The initial temperature of water is 25 o The final temperature is 45 oC. What is the mass of the piece of gold?

Q: When 25.0 g of zine absorbs 140 J of heat energy, what is the change in temperature of the metal?…

A: Given,  The change in temperature of a metal is: when 25.0 g of zinc absorbs 140 J of heat energy,…

Q: A 104 g copper sample (specific heat=0.385 J/g°C) at 100°C is added to 48 g water at 29.5°C. What is…

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Q: 3. When a 70.5-g piece of an alloy is placed in 500 g of cold water in a calorimeter, the…

A: Here the heat absorbed by water to increase the Temperatures is released by the alloy whose…

Q: What is the final temperature of a piece of gold that had 26 Joules of heat applied to it? The mass…

A: Q = heat applied = 26 J m = mass of gold = 20 g Initial temperature = Ti = 25°C C =  specific heat…

Q: The temperature of a 5.0 g sample of Aluminum increases from 25°C to 30°C. How many joules of heat…

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Q: If Water has a specific heat of 4.184 J/g°C. How much heat is required to increase 10.0 g of water…

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Q: The specific heat of copper metal is 0.385 J·g -1·C -1 how many J of heat are necessary to raise the…

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Q: A 10 g piece of copper at 145 oC is placed in 150 mL of water. The initial temperature of water is…

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Q: Calculate the mass of gold that absorbs 46.3 J of energy when heated from 25 to 74 oC. Specific…

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Q: Calculate the amount of heat necessary to raise the temperature of 12.0 g of water from 15.4C to…

A: Heat required for raising temperature of a liquid depends on three factors namely mass of the…

Q: 2. A 35 g metal ball made up of a mixture of element X and element Y is heated up to 77°C and…

A: Solution and calculation see below

Q: Phosphorus trichloride, PCI3, is a compound used in the manufacture of pesticides and gasoline…

A: Hii there, since there are multiple questions posted. We are answering first question. If you need…

Q: 100.0 g of unknown metal at 150 °C was placed in 1.00 L of water at 25.0 °C. The final temperature…

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Q: What is the final temperature when a 5.0 g sample of brass initially at 25 oC absorbs 75 J of heat?…

A: Equation for finding the heat absorbed by brass is as follows. Q=mc∆TQ=heat absorbed by brassm=mass…

Q: A 44.3 g sample of water at 100.00 °C (specific heat of water = 4.184J/g.°C) was placed in an…

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Q: 500 g piece of iron changes 7°C when heat is added. How much heat energy produced this change in…

A: Given that: Mass of iron(m) = 500g Change in temp(dT) = 7°C Specific heat of iron(C) = 0.444J/g°C

Q: A metal object with mass of 29.0 g is heated to 97.0 °C and then transferred to an insulated…

A: Since the heat lost by metal + heat gain by water should be = 0 as no heat is lost in surroundings…

Q: Solid magnesium has a specific heat of 1.01 J/goC. How much heat is given off by a 20.0 gram sample…

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Q: A 625 g chunk of iron is removed from an oven and plunged into 525 g of water in an insulated…

A: The heat lost by iron = heat gained by water heat gained by water (q) = m x S x ΔT…

Q: 123 g of water is placed in an insulated cup. It’s initial temperature is 25.6°C. A 587.0 g Sample…

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Q: A chunk of metal having a mass of 49.7g was warmed to 95.5°C and then dropped into a calorimeter…

A: Mass of metal = 49.7g  Mass of water = 45.3g Heat capacity for water = 4.18J/g°C Final temperature =…

Q: Quantity Mass of can (g) 12.695 mass of can and water (g) 125.129 Initial mass of food sample (g)…

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Q: A 90.0 g piece of metal, initially at 98.6°C, is placed into 120.0 g of water initially at 24.3°C.…

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Q: A metal object with a mass of 19 g is heated to 96°C and is transferred to a calorimeter containing…

A: Given data: The mass of metal = 19 g. The temperature of the metal =  96°C. The mass of water = 75…

Q: QUestion attached

A: The heat required is given by, q= m.C.∆T where q is the heat needed, m is the mass, C is the…

Q: Cooking an egg is one type of process, while the formation of snow is another. Which answer best…

A: In Endothermic  Reaction  Heat is absorbed  while in Exothermic  Reaction  heat is Released.

Q: What is the enthalpy change in kJ of a chemical reaction that raises the temperature of 250.0 mL of…

A: We have to calculate the enthalpy change

Q: A block of aluminum of unknown mass has an initial temperature of 58.6°C. The aluminum is immersed…

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Q: When immersed in water, the temperature of a 102.1 gram sample of metal changes from 150.2 0C to…

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Q: The specific heat for iron is 0.444 J/g oC. How much heat energy does it take to heat 17.7 g of iron…

A: Given that: Specific heat of iron(C) = 0.444J/g°C Mass of iron (m) = 17.7 g Initial temp.(T1) =…

Q: sample of water with a mass of 726.2 g undergoes a temperature change from 58.32oC to 40.50 oC. What…

A: Given,  mass, m = 726.2 g Specific heat of water (l), S = 4.184 J/g. oC Temperature changes from T1…

Q: A 100.0 g sample of an unknown metal is heated to 95.00°C. This hot metal is then placed into a foam…

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Q: What is the heat of solution for compound X

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Q: When 1.75 g of CaCl2 dissolves in 125 g of water in a coffee-cup calorimeter, the temperature…

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Q: Tin is widely used for plating steel cans used as food containers, in metals used for bearings, and…

A: Specific heat of a material is the amount of energy we must provide to increase it temperature by 1…

Q: A 1.00g sample of octane is burned in a calorimeter that contains 1.20kg of water. The temperature…

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Q: A 90.0 g piece of metal, initially at 98.6°C, is placed into 120.0 g of water initially at 24.3°C.…

A: We can use the formula : q=ms∆t We are Given: ∆T for water = 34.00-24.30 = 9.70 oC ∆T for metal =…

Q: Define specific heat capacity. the quantity of heat required to raise the temperature of 1 mole of a…

A: specific heat is the property of the substance and is different for different substances

Q: 15. When 0.0451 mol of an unknown hydrocarbon is burned in a bomb calorimeter, the calorimeter…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Explain the difference between heat capacity and specific heat of a substance. Heat capacity refers…

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Q: Equal masses of two substances, A & B, each absorb 25 J of energy. If the temperature of A increases…

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Q: when 20 grams of a salt is dissolved in 95 grams of water the temperature of the solution decreases…

A: given; mass of water = 95 g temperature change = delta T = 40-30 = 10°C specific heat = 1.1 cal/g…

Q: How much heat, in kJ, would be needed to raise the temperature of 500.0 g of water from 14.5 ºC to a…

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Q: If 80.0 g of aluminum initially at 70˚C is dropped into 250.0 mL of water the temperature of the…

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Q: A metal object with mass of 21.7 g is heated to 97.0 °C and then transferred to an insulated…

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Q: A 50.0-g sample of water at 100.00°C was placed in an insulated cup. Then 25.3-g of zinc at 25.00°C…

A: We are given sample of water mw=50.0 gm initial temperatureTwi=100°C final temperature of…

Q: Copper metal has a specific heat of 0.385 J/g·C. Calculate the amount of heat required to raise the…

A: We know that Heat transfer or heat required to raise the temperature of substance is Q = mC∆T…

Q: A 1.69 gram sample is heated to an initial temperature of 75 oC. The sample is then placed in a…

A: Mass of sample = 1.69g Mass of water = 542g Initial temperature of water = 20°C Final temperature if…

Q: A metal object with mass of 21.4 g is heated to 97.0 °C and then transferred to an insulated…

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