When a  brass black was dropped into a 124-gram water, the water temperature increased from 21.0°C to 36.8°C. What is the heat capacity of the brass block? The initial temperature of the brass was 314.2°C and the specific heat of water is 4.184J/gk. If the mass of the brass block is 77.764g, what is the specific heat of the brass?

Q: How much energy as heat is required to raise the temperature of 50.00 mL of water from 25.04 °C to…

A: Given: Density of water at this temperature is 0.997 g/mL The specific heat capacity of liquid water…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 378.0 mg sample…

A: mass = 378.0mg = 0.378g Initial Temperature = 30.4oC Final Temperature = 43.1oC Heat required = 20.1…

Q: A 110.0-g sample of a gray-colored, unknown, pure metal was heated to 92.0 oC and put into a…

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A: Mass of sample = m = 129 mg = 0.129 g Initial temperature = T1 = - 9.6°C Final temperature = T2 =…

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Q: A chunck of lead at 91.7 degrees celcius was added to 200.0 g of water at 15.5 celcius. the specific…

A: Given:Specific heat of water = 4.18 J/goCspecific heat of lead = 0.129 J/goCInitial Temperature of…

Q: The specific heat of tin c

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A: When scandium is heated then it temperature increases. Total heat absorbed by metal is calculate…

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A: Mass of iron (m) = 22.8 × 0.4536 = 10.3421 kg or 10342.1 g Specific heat capacity of iron (s) = 0.45…

Q: a 72.2g piece of metal at 84.0 C is placed in 137g of water at 21.0C contained in a calorimeter. the…

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Q: How much will the temperature of a cup (183 g) of coffee at 96.1 °C be reduced (in °C) when a 45 g…

A: The problem is asking us to find the final temperature of the coffee after a silver spoon is placed…

Q: Suppose you heat a metal object with a mass of 34.4 g to 95.1 °C and transfer it to a calorimeter…

A: Answer:- This question is answered by using the simple concept of calorimetry which states that heat…

Q: A 10.0 g piece of metal is initially at 100.0°C. It is dropped into a coffee cup calorimeter…

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Q: How much will the temperature of a cup (175 g) of coffee at 94.3 °C be reduced (in °C) when a 47 g…

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 273.0 g sample…

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Q: How much energy as heat is required to raise the temperature of 50.00 mL of water from 25.55 °C to…

A: Given data Initial temperature of water, T1 = 25.55 °C  Final temperature of water, T2 = 28.22 °C…

Q: How much will the temperature of a cup (176 g) of coffee at 94.8 °C be reduced (in °C) when a 45 g…

A: Given, mass of cup of coffee,mc = 176 g initial temperature of cup , Tc=94.8°C mass of silver spoon…

Q: 4. How much will the temperature of a cup (180 g) of coffee at 95 °C be reduced when a spoon…

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Q: A piece of unknown substance weighs 45.9 g and requires 2130 J to increase its temperature from…

A: Given question related to calculation of specific heat of a substance.

Q: A 13.8 g piece of nickel was heated to 97.5 °C in boiling water and then dropped into a beaker…

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Q: When 673.0 J of heat energy is added to a 46.0 g sample of solid copper, the temperature increases…

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Q: 3.24 g of a piece of a metal is initially at 83.0°C. It is dropped into a coffee cup calorimeter…

A: Recall the following expression according to Law of calorimetry       Q=m×C×∆t Mass of metal=3.24…

Q: 20 g of chocolate was combusted completely in a calorimeter with 100 mL of water inside. The…

A: Given data is Mass of chocolate combusted = 20 g Volume of water  in a calorimeter = 100 mL  The…

Q: When adding a piece of Copper weighing 5 g and its temperature is 100 °C to 30g of water, its…

A: Given : Mass of water = 30 g Mass of copper = 5 g Initial temperature of water = 20 oC Final…

Q: A 4.35 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

A: The heat released or absorbed (q) when the temperature of any substance is raised is calculated as:…

Q: In the laboratory a student finds that it takes 83.3 Joules to increase the temperature of 14.0…

A: Given data 83.3joule needed  Mass of solid iron in 14.0gram Initial temperature = 21.7°c final…

Q: ● A 156.0 g sample of a metal at 75.0°C is placed in 144.6 g of water at 20.0 °C. The temperature of…

A: Given that :Mass of metal (ms) is 156.0 gInitial temperature of metal is 75.0 °CMass of water(mw) is…

Q: A chunk of lead at 91.7°C was added to 400.0 g of water at 15.5°C. The specific heat of lead is…

A: Just apply  Heat given = Heat taken

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A: The working formula for this problem would be, q = m x Cp x dTwhere q is the total heat, m is the…

Q: Calculate the heat capacity (in J/C) of 20.0 mL of room temp. water given that the specific heat…

A: Heat capacity of a material for a particular mass = Specific heat capacity  mass of the material

Q: A 69.3-g piece of metal at 82.3 °C is placed in 110 g of water at 21.3 °C contained in a…

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Q: What is the mass of an iron piece that cools from 50.2 °C to 27.8°C while releasing 351.7 J of heat?…

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Q: what quantity of heat energy must have been applied to a block of aluminum weighing 38.4g of the…

A: The total heat required (Q) is determined as follows. Q=mAlcAl∆T ...... (1)

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 663.0 mg sample…

A: Given Mass = 663 mg = 663 x 10-3 g Heat = 12.8 J T1 = 0°C T2 = 21.4°C

Q: If 171.4 grams of water must be heated from 8.00°C to 85.0 °C to make a cup of tea, how much heat…

A: The solution is as follows :

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.21 kg sample…

A: Please find your solution below : Calorimetry is a process which is used to measure the amount of…

Q: In the laboratory a student finds that it takes 54.9 Joules to increase the temperature of 11.0…

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Q: A 15.0-mL sample of benzene at 21.0 °C was cooled to its melting point, 5.5 °C, and then frozen. How…

A: Calculate the mass of benzene from density,

Q: A 100.0g sample of water at 25.30 degrees Celsius was placed in an insulated cup. Then 45.00g of…

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Q: A 17.1 g piece of silver was heated to 98.8 °C in boiling water and then dropped into a beaker…

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.79 kg sample…

A: Answer is given below

Q: 350.0 g of 5.00°C water is heated until its temperature is 37.0°C.  If the specific heat of water is…

A: