A slab of iron ( 465g) is removed from an oven and plunged into 375g water in an insulated container. The temperature of the water increases from 26 to 87 degrees C. If the specific heat of iron is 0.449 J/g. degrees C, what was the original temperature of the iron?

Q: If 89 J of heat is added to a pure gold coin with a mass of 20 g. what is the temperature change?…

A: Given question of values = -gold coin mass =20gm . Represent of mass = m  -specific heat capacity of…

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: 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 backpacker wants to carry enough fuel to heat 2.0kg of water from 25 degrees C to 100.0 degrees C.…

A: Given,Mass of water = 2.0kgInitial temperature = 25 degree CelsiusFinal temperature = 100 degree…

Q: How many calories of energy does it take to heat a 115.2mL sample of water from 11.0° C to 88.0° C?

A: Since the heat required to heat the water (liquid state) is given by  Q = mC ΔT where  ΔT = change…

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

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

A: Interpretation- specific heat of aluminum Concept introduction- Specific heat- It is the amount of…

Q: The specific heats of some common substances are as follows: iron = 450 J/(kg ·°C) sand = 830 J/(kg…

A: The given specific heat values are,

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

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Q: 97. How much heat in kilojoules is required to heat 56 L of water from an initial temperature of 85…

A: Volume of water, V = 56 L or 56000 mL Density of water, ρ = 1 g/mL Determine the mass of water, m –…

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

A: The heat is related to mass, temperature change, and specific heat of a substance as: q=mc∆T

Q: If 0.52kJ of heat is needed to raise the temperature of a 200g substance twenty degrees Celsius,…

A: The amount of energy needed to raise the temperature of unit mass of a substance by 1oC is known as…

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: It takes 770 joules of energy to raise the temperature of 50.0 g of mercury by 110-C. What is the…

A: Given  Heat q = 770 Joule Mass of mercury m = 50.0 g Temperature change ∆T = 110oC specific heat of…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.87 kg sample…

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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: A backpacker wants to carry enough fuel to heat 2.4 kg of water from 25∘C to 100.0 ∘C. If the fuel…

A: Given, Mass of water = 2.4kg. Initial temperature = 25oC Final temperature = 100oC.

Q: A simple solar energy heater is a glass-topped box containing rocks. Sunlight heats the rocks during…

A: Given that: Mass of rock (m) = 7.5×104 g Specific heat capacity (C) = 0.49 J/g°C Temperature change…

Q: An 850 g piece of copper metal is heated to 100∞C and dropped into a calorimeter containing 275 g of…

A: It is given that 850 g of copper metal was at a temperature of 100°C and 275 g of water was at a…

Q: A 489.9 gram sample of aluminum is initially at 25.7 C. It absorbs 38.27 kJ of heat from its…

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

A: Given data : Mass of copper(mc) = 18.9 gms Temperature of copper(Tc) = 99.38°C Mass of water(mw) =…

Q: What is the specific heat of an object that weighs 15 grams and changes temperature from 30 degrees…

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

A: Given: q=435 J of heat absorbed by the substance.m=3.4g of olive oil To Solve: Specific heat…

Q: What is the mass of a piece of iron that releases 212.32 joules of heat as it cools from 89.65…

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

A: …

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

A: Explanation Heat capacity Multiplying the mass of a specific substance with its heat capacity and…

Q: 67.3 g sample metal with specific heat of 0.246 J/g degrees celsius is heated by 1693 J of energy.…

A: Given data: Mass of metal (m) = 6.3 g, Specific heat of metal (c) = 0.246 J/g o C, Energy (E) = 1693…

Q: A piece of metal weighing 59.6 g with a specific heat of 0.59 Jg1°C-! at 1197.5 °C is dunked into a…

A: When the hot metal is dunked into the water, the heat is released by the metal and the equal heat is…

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

A: Using the given statement that dropping hot metal into water with given data we conclude that heat…

Q: A 20-mL volume of water lost_J of energy after its temperature decreased by 15°C. The specific heat…

A: We have to find the amount of energy lost after decreasing temperature by 15°C  Given volume(v) =…

Q: How many joules of heat are required to heat 125 g aluminum from 19 degrees C to 95.5 degrees C?

A: Given information:Mass of aluminum = 125 gInitial temperature = 19 ˚CFinal temperature = 95.5…

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

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Q: It takes 3.89x10* BTU of energy to heat a typical house, with an area of 2370 square feet, for a…

A: BTU represent the British thermal unit, while kJ represents kilojoules. These are the units of…

Q: A backpacker wants to carry enough fuel to heat 2.4kg of water from 25 C to 100.0 C. If the fuel he…

A: Given: Mass of water= 2.4 kg Initial temperature= 25 C Final temperature= 100.0 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: Determine the specific heat of a material if an 18g sample absorbed 75 J as it was heated from 15°C…

A: Given, mass of material m =18 gamount of heat absorbed by material q = 75 Jand it was heated from…

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: 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: Determine the mass of a sample of silver if 705J of heat are required to raise its temperature from…

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

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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: How many kilocalories of heat (energy) would it take to heat 141.0 g of water from 23.0 °C to 85.0…

A: Given How many kilocalories of heat would it takes to heat 141.0g of water from 23.0 °C to 85.0 °C?

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: A chemist carefully measures the amount of heat needed to raise the temperature of a 191.0 g sample…

A: Thermochemistry is branch of chemistry in which we deal with amount of heat evolved or absorbed by…

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: It takes 48.0 J to raise the temperature of an 10.7 g piece of unknown metal from 13.0° C to 24.3…

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