What is the change in heat energy when 3.45 g of gaseous water at 111.0 °C are cooled to 45.0 °C? Show work.

Q: How much heat must be absorbed by 125 gg of ethanol to change its temperature from 21.5 ∘C to 34.8…

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Q: A 2.37 g sample of a substance suspected of being pure gold is warmed to 72.5 ∘C and submerged into…

A: Heat gained by water =mwatercwater∆T=15.2 g×4.184 J/gC0×(27.0-24.5)C0=158.9 J

Q: Calculate the heat capacity, in joules per degree, of 28.4 g of water. A) 18.0 J/°C B) 118.7 J/°C c)…

A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly…

Q: A sample of gas in a cylinder with a free-floating piston for a lid is heated. The gas gains 107 J…

A: given heat (q) = 107 J work done (w) = 23 J

Q: A 25.0 mL sample of benzene at 19.9 0 C was cooled to its melting point, 5.5 0 C, and then frozen.…

A: Since the heat involved in the process of cooling and freezing a solution is given by  Cooling =>…

Q: A sheet of gold weighing 9.3 g and at a temperature of 17.6°C is placed flat on a sheet of iron…

A: Given: mgold =9.3 g CAu = 0.129 J/g 0C Ti = 17.6 0C miron =21 g CFe = 0.444 J/g 0C Tiron = 55.3 0C…

Q: How much energy is absorbed by a 2.5 g substance that has a specific heat capacity of 0.58 J/g ·°C…

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Q: A 434.5 g sample of water at 20.0 °C is mixed with 100.0 g of a certain metal at 95.0 °C. After…

A: to find Cp for this metal use this above ,Heat lost by the metal = heat gained by the water Given…

Q: A system takes in 0.430 kJ of heat while it does 0.830 kJ of work on the surroundings. What is the…

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Q: Substance "C" is identified to have a specific heat capacity of 0.452 J/(g.°C). Which substances…

A: Answer: Specific heat capacity of the substance is defined as the amount of energy added into the…

Q: When an alloy containing 20 g aluminum (c = 0.900 J g⁻¹ K) and 29 g copper (c = 0.385 J g⁻¹ K⁻¹) at…

A: Given that;   Mass of aluminum MAl  = 20g Heat capacity cAl  = 0.900 J/g°C  (unit correction)  Mass…

Q: A 28.602 g sample of a certain metal is heated to 99.9 °C in a hot water bath until thermal…

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Q: A sheet of gold weighing 10.3 g and at a temperature of 10.0°C is placed flat on a sheet of iron…

A: The amount of heat absorbed (or released) by fixed amount of a substance to change its temperature…

Q: A 531.6 g sample of sodium undergoes a temperature change of +86.75 °C while absorbing 857.4 joules…

A:

Q: 43.5-g sample of copper at 99.7 °C is dropped into a beaker containing 155 g of water at 18.6 °C.…

A: Given: mass of copper=  m1  = 43.5g temperature of copper = t1  = 99.7 deg C mass of water = m2 =…

Q: The work done to compress a gas is 67.0 J. As a result, 29.0 J of heat is given off to the…

A: Given, work done, w = +67.0 J Heat, q = -29.0 J

Q: A sample of water of unknown mass undergoes a temperature change from 68.09°C to 72.61°C with a…

A: Given, a sample of water of unknown mass. undergoes a temperature change from 68.09°C to 72.61°Cwith…

Q: A 109.9 g sample of beryllium experiences a temperature change of -71.48 °C while releasing 1. 242…

A: Note: As per the guidelines solution of first questions has been made. For the expert solution of…

Q: A 5.18 g sample of aluminum, initially at 53.6 °C, is submerged into 25.1 g of ethanol at 18.5 °C in…

A: Given: Mass of Aluminium = 5.18 g  Initial temperature = 53.60C  Mass of ethanol = 25.1g

Q: If a 2.0 g sample of water at 5.0° C absorbs 21.8 of heat energy, what will the temperature of the…

A: given data is  q=21.8, m=2.0g  water heat capacity is 4.18J/g °c apply the formula of heat capacity…

Q: How much energy is needed to raise the temperature of 325g of water by 10.0 degrees? The specific…

A: Given  Mass of water = 325 g = m  Specific Heat of water = 4.184 J/g°C ∆T = 10 °C

Q: A sheet of gold weighing 10.6 g and at a temperature of 15.3°C is placed flat on a sheet of iron…

A: Mass of gold weight = 10.6 g Temperature of Gold = 15.3°C Mass of iron weight = 21.2 g  Temperature…

Q: A piece of unknown substance weighs 44.7 g and requires 2110 J to increase its temperature from…

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Q: Four different substance each have identical masses. The specific heat capacities of these four…

A: The quantity of heat required to alter the temperature of a unit mass of a substance by one degree…

Q: A sheet of gold weighing 9.3 g and at a temperature of 15.2°C is placed flat on a sheet of iron…

A: Since both the metals are in contact  hence the heat will transfer from the hot sheet to cold sheet…

Q: A change in a system occurs such that 76.2 J of heat flows in to the system and 66.5 J of work is…

A: Introduction: From the 1st law thermodynamics,  the change in internal energy, ∆U = q + w (q =…

Q: When 34.0 g of water at 24.0 °C are mixed with 46.0 g of water at 67.0 °C, what is the final…

A: Suppose the temperature of the final solution is X. When two such solutions are mixed where one…

Q: An engineering student wants to study the heat transfer between a 50 g of heated block of iron (cFe…

A:

Q: How many joules of heat must be removed from 432g of water. (heat capacity of 4.184j / g celsuis) to…

A: Joules of heat can be calculated by using following formula,The equation for heat is  Q=m(Δt)Cp

Q: A 140.0-g sample of water at 25.0°C is mixed with 101.1 g of a certain metal at 100.0°C. After…

A: Specific heat capacity of an element or a compound is equal to the amount of heat released or…

Q: 1.)  How much energy is required to raise the temperature of 10.7 grams of solid zinc from 20.3°C…

A:

Q: How much heat (in cal) is needed to heat a container of water (with a mass of 5 kg) (specific heat…

A: Given, Note: 1Kg = 1000 g Mass of water (m) = 5 Kg = 5000 g Specific heat capacity of water (Cp) =…

Q: 11. A piece of unknown solid substance weighs 437.2 g, and requires 8460 J to increase its…

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Q: A 74.8 g sample of a metal at 143.2 °C is added to an insulated vessel containing 208g of water at…

A: The given data contains, mass of metal =74.8 g mass of water =208 g initial temperature of water…

Q: 4. A 74.8 g sample of copper at 143.2°C is added to an insulated vessel containi 165 mL of glycerol,…

A:

Q: A sample of gaseous xenon is heated with an electrical coil. If 19.2 Joules of energy are added to a…

A: Final temperature can be calculated as follows

Q: A sheet of gold weighing 9.8 g and at a temperature of 17.8°C is placed flat on a sheet of iron…

A: Given information: Mass of gold = 9.8 g Temperature for gold = 17.8∘C mass of iron = 20.3 g…

Q: The temperature of an 6.95 g sample of an unknown metal increases from 22.0°C to 31.7°C upon the…

A: The mass of the sample is = 6.95 g Increase in the temperature is = 22.0oC to 31.7oC The required…

Q: A 0.022 pounds of water requires 41.8 J to have its temperature raised by 1.5°C. What is the…

A: Given,  Mass of water in pounds = 0.022 pounds  Amount of heat required = 41.8 J  Increase in…

Q: How much energy is removed from 500.0 g of liquid water when the temperature is lowered by 1.10 deg…

A: We know that : Q = mC∆T ...(1)  Here, Q = kJ, m = mass of water = 500 gm, C = heat capacity of water…

Q: An engineering student wants to study the heat transfer between a 50 g of heated block of iron (cFe…

A: Assume that the water-horseshoe system is thermally isolated (insuIated) from the environment for…

Q: 20. A gold ring that weighs 3.81 g is heated from 25°C to 84.0°C and placed in 50.0 g of water at…

A:

Q: A 150.0 g block of lead at 100.0 °C is placed in a calorimeter with 50.0 g of water at 22.0 °C. The…

A:

Q: If a 50.0 g piece of brass rod at 98.0°C is placed in 150.0 g of water at 25.0°C, what is the final…

A: Given, For brass, Mass of brass (mbrass) = 50.0 g Specific heat capacity of brass (Cpbrass) = 0.38…

Q: 25.0

A: We will use heat energy formula

Q: A sheet of gold weighing 10.6 g and at a temperature of 15.3°C is placed flat on a sheet of iron…

A:

Q: A 12.5-g sample of granite initially at 82.0 °C is immersed into 25.0 g of water that is initially…

A: The final temperature for granite and water = X Initial temperature for Granite = 82◦ C Temperature…

Q: How much heat is required to raise the temperature of a 825 g block of wood (specific heat = 1.8 %3D…

A: The amount of heat required to increase the temperature of one kilo gram of a substance by one…

Q: A 10.55 g sample of calcium metal at 36.0°C was placed in a calorimeter with 50.0 grams of cool…

A: Since you have posted multiple questions, we can solve only the first question for you according to…

Q: A 37.7 g. piece of an unknown metal is heated up 43.5 °C when given 1,095.4 J of heat.  What is the…

A: Specific heat capacity of a metal is the amount of heat required to raise the temperature by one °C…