Suppose we have separate 25g samples of iron, silver, and gold. If 125 J of heat energy is applied separately to each of the three samples, show by calculation which sample will end up at the highest temperature.

Q: In an experiment, 25.00 g of iron is heated to 228.00°C and then quickly transferred to 100,0 g of…

A: Given: Mass of iron = 25.00 g. Mass of water = 100.0 g. Initial temperature of iron = 228.00 oC…

Q: A 216.9 g sample of sodium absorbs 800.2 joules of heat. The specific heat capacity of sodium is…

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Q: A gas in a closed container is heated, causing the lid of the container to rise. The gas performs 3J…

A: Given: work done ( w) = - 3 J Internal energy change ( ∆U ) = + 15 J Heat absorbed ( q ) = ? By…

Q: The work done to compress a gas is 74 J. As a result, 26 J of heat is given off to the surroundings.…

A: Note - Since you have asked multiple question, we will solve the first question for you. If youwant…

Q: If you know that 18.5 grams of a particular mineral, with heat quantity of 1170 J, its temperature…

A: Hii There! since there are multiple question posted. we are answering first question. if you need…

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

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Q: A 124.5 g sample of an unknown metal absorbs 1276.25 J of heat, upon which the temperature of the…

A: Given: The mass of the metal sample = 124.5 g The amount of heat absorbed by the metal = 1276.25 J…

Q: the laboratory a student finds that it takes 29.3 Joules to increase the temperature of 13.1 grams…

A: Given -> ∆H= 29.3 joule Weight (m) = 13.1 gm T1=20.0°C  T2= 37.9°C

Q: solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution (dissolving) can…

A: The heat of a system remains…

Q: 2 moles of potassium metal reacts with liquid water to produce solid potassium hydroxide, hydrogen…

A: 2K + 2H2O →2KOH + H2  Given that ∆H = - 162.4 kJ/mol For 2 mol of potassium metal (K) , ∆H = 2 mol x…

Q: A 37.15 gram sample of copper (specific heat, 0.385 J/g•°C) with an initial temperature of 95.8°C is…

A: We know that, according to the law of conservation of heat energy, energy gained or loss by the…

Q: When a substance with a mass of 50 g is heated from 20 C to 55°C, it ab- sorbed 245 Joules of heat…

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Q: A gas that works on the surroundings is equal to 432 J. At the same time, it absorbs 87 J of heat…

A: Work done by the gas on the surrounding means, the energy is reduced from the gas. Heat absorbed by…

Q: What data do you need to determine the specific heat capacity of a substance?

A: Calculate the heat capacity by using formula, By formula, q = m. c . ∆T where q is the change in…

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A: The enthalpy of dissolution can be calculated from the following formula. ∆Hdissolution=Qreactionno…

Q: In the laboratory a student finds that it takes 921 Joules to increase the temperature of 13.8 grams…

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Q: If 1495 J of heat is needed to raise the temperature of a 333 g sample of a metal from 55.0°C to…

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Q: 100 g of water at 86 °C is mixed with 200 g of water at 20 °C. What is the final temperature of the…

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Q: 1. How much energy is required to raise the temperature of 37.8 g of silver from 19.2°C to 63.5°C?

A: Solution 1:- In order to be able to determine how much heat is required to increase the temperature…

Q: The work done to compress a gas is 74 J. As a result, 26 J of heat is given off to the surroundings.…

A: Given ; energy added by work = 74 J              Energy given to surrounding = 26 J

Q: In the laboratory a student finds that it takes 200 Joules to increase the temperature of 15.0 grams…

A: • The values provided in the question are:-    i) Mass of magnesium, m = 15.0 g  ii) Initial…

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A: Given: Mass of BaCl2        = 12.87 g Mass of water        = 101.30 g Final temperature  = 27.07 oC…

Q: In the laboratory a student finds that it takes 79.6 Joules to increase the temperature of 14.8…

A: The specific heat capacity of copper (C) can be calculated using equation (1). In this equation, m…

Q: A system gains 767 kJ of heat, resulting in a change in internal energy of the system equal to +201…

A: Find the solution below

Q: The work done to compress a gas is 122 J. As a result, 31 J of heat is given off to the…

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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: What is the distinction between temperature and thermal energy is a system?

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Q: 12. The work done to compress a gas is 50 J. As a result, 20 J of heat is given off to the…

A: Work done to gas = +50 J  Heat lost = -20 J

Q: 1. In what direction does heat flow between two objects? 2. How do endothermic processes differ from…

A: Heat is mode of transfer of energy from one body to another body. There are many other methods to…

Q: A 981.8 g sample of bismuth goes through a temperature change of +46.75 °C while absorbing 784.6…

A: 1. Given :-  Mass of sample of Bi = 981.8 g  Temperature change i.e. ∆T = +46.75°C  Amount of heat…

Q: The specific heat capacities for several substances are shown in the table. Substance Specific Heat…

A: Given :-  Substance          specific heat (J/g°C)  Iron                        0.45 Air…

Q: A system receives 425 J of heat and delivers 425 J of work toits surroundings. What is the change in…

A: According to first law of thermodynamics, ∆U = ∆Q - ∆W

Q: When equal masses of Pb, Al, and Zn, each at room temperature, absorb an equal amount of heat, which…

A: Specific heat (C) :-  The amount of heet needed to rise the temperature of 1 gram of a substance…

Q: How many milliliters of water at 31 °C with a density of 1.00 g/mL must be mixed with 95.0 mL (about…

A: Given: Initial temperature of water=31 degree celciusdensity =1.00g/mlvolume of coffee(m2)=95…

Q: The work done when a gas is compressed in a cylinder is 455 J. During this process, there is a heat…

A: To find the energy change, we need to use the formula which contains change in energy, work done and…

Q: An unknown hot metal at 146.5°C with a mass of 49.43g was mixed with 36.8g of water at an initial…

A: specific heat is defined as the quantity of heat required to raise the temperature of one gram of a…

Q: A 531.1 g sample of ammonia releases 777.1 joules of heat. The specific heat capacity of ammonia is…

A: Here we are required to find the change in the temperature when certain mass of ammonia releases…

Q: The work done to compress a gas is 70 J.  As a result, 25 J of heat is given off to the…

A: Work done to compress = Work done on the system And work done on the system is taken with a positive…

Q: Assume the specific heat of the solution is equal to the specific heat of water. ΔHdissolution =…

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Q: A gas expands and does work on the surroundings equal to 2.17 L atm. At the same time, it releases…

A: First law of thermodynamics It states that the internal energy of a system is equal to the heat…

Q: An unknown hot metal at 122.41°C with a mass of 53.37g was mixed with 28.15g of water at an initial…

A: We have to calculate the  specific heat of the unknown metal.

Q: If 1495 J of heat is needed to raise the temperature of a 327 g sample of a metal from 55.0°C to…

A: The weight of metal is 327 g.The given temperature values are 55.0 ˚C and 66.0 ˚C. The value of q is…

Q: Thermochemistry is a branch of chemistry that qualitatively and quantitatively describes the energy…

A: I) Kirchhoff's law describe the given graph. Kirchhoff's Law describes the enthalpy of a reaction's…

Q: 4. A sample of aluminum metal absorbs 9.86 J of heat, upon which the temperature of the sample…

A: Please find your solution below :

Q: How many milliliters of water at 23 °C with a density of 1.00 g/mL must be mixed with 180 mL (about…

A: The net heat absorbed by water will be equal to the heat released by coffee. Determination of heat…

Q: .A substance increases in temperature by 55°C when a 98 g sample of it absorbs 80000 J of h What is…

A: The amount of heat needed to change a unit mass of a material by one degree Celsius is known as…

Q: A piece of solid substance weights 4.0 g, and requires 150 J to increase its temperature from 30.0…

A: The certain heat energy amount that is applicable in the enhancement of substance's temperature per…

Q: In the laboratory a student finds that it takes 17.9 Joules to increase the temperature of 10.3…

A: The heat amount basically gets utilized for enhancing any substance's temperature containing 1 g…

Q: The work done to compress a gas is 69.0 J. As a result, 37.0 J of heat is given off to the…

A: Given, Heat given off q = 37 J , work done w = 69 J , change on energy ∆U = ?

Q: A 35.2-g sample of metal X requires 1251 Jof energy to heat the sample by 25.0 °C.Calculate the…

A: Given information: