21. Which of the following (with specific heat capacity provided) would show the smallest temperature change upon gaining 200.0 J of heat? a. 50.0 g Al, CAI = 0.903 J/g°C b. 50.0 g Cu, CCu = 0.385 J/g°C c. 25.0 g granite, Cgranite = 0.79 J/g°C d. 25.0 g Au, CAu= 0.128 J/g°C e. 250 g Ag, CAg=0.235 J/g°C

Q: The specific heat capacity of lead is 0.13 J/g°C. How much heat (in J) is required to raise the…

A:

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: If the same amount of heat is applied to 10 grams of the following four materials, which will reach…

A:

Q: In the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used…

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Q: A piece of silver, with specific heat capacity of 0.235 J/(g.°C), is added to an insulated container…

A: Given: The specific heat of water, (cH2O) =4.184 J(g. 0C). The specific heat of silver, (cAg) =…

Q: A sample of aluminum absorbs 11.2 J of heat and its temperature increased from 23.2°C to 57.5°C.…

A: We know that heat absorbed  by Al  q = m*s*ΔT where q = heat absorbed  by Al; m= mass of Al; s =…

Q: A beaker contained 62.09 g of water at 19.6°C. A 86.23-g sample of metal at 75°C was placed in it,…

A: Mass of water = 62.09 g Initial temperature of water = 19.60C Mass of metal = 86.23 g Initial…

Q: 20.0 mL of Hg are heated from room temperature (25.00 °C) to 60.00 °C. The specific heat capacity of…

A:

Q: A chunk of mercury at 80.8°C was added to 300.0 g of water at 15.5°C. The specific heat of mercury…

A: Given: For water: Mass of water, mw=300.0 g Temperature change, ∆T=(20.9-15.5)°C=5.4 °C Specific…

Q: Heated bricks or blocks of iron were used long ago to warm beds.  A 1.49-kg block of iron heated to…

A: Given, mass of iron block =1.49 kg =1.49×103 ginitial temperature Ti =155 °Cfinal temperature Tf =22…

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: A 4.81 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

A: Specific heat: It is defined as the amount of heat required to raise the temperature of the…

Q: Instead of chasing the Roadrunner, Wile E. Coyote thinks he may have found his retirement plan! He…

A: Answer is explained below.

Q: 0.26g CH4 are burned and all the heat added to a silver cup with 90g H2O(l) inside. If the water was…

A: The combustion reaction of CH4 is => CH4 + 2 O2 --------> CO2 + 2 H2O Since the ΔH of reaction…

Q: 11. A combustion reaction releases 1.435 x 10° kJ of heat that is absorbed by 8.00 kL of 22.1 °C…

A:

Q: What would be the final temperature of 1 gallon of water (3.785 L) if you added 1.218 x 103 kJ of…

A: we need to find the final temperature of water under given conditions

Q: 20.0  J of heat is added to 10.00 g of gold, which is initially at 25°C. The heat capacity of gold…

A: Q = n . s . (T2 - T1) Where, Q = heat absorbed;  s = specific heat of substance; n = number of moles…

Q: Use specific heat capacity of Al(s), Cs(Al) = 0.900 J/(g·°C), to answer the following questions:…

A: a.The heat is -1.188 kJ

Q: A 7.37 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

A: Given, Mass of sample = 7.37 gMass of water = 150 g Mass of solution = 157.37 g Initial temperature…

Q: Between O*C and 30 degrees * C mercury has a specific heat of 0.138 J/g C. If 200 J of heat are…

A:

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: Question 49a, b, c, d

A: The relationship between heat, mass, specific heat and change in temperature is given by,

Q: A 360. mL sample of water was cooled from 70.0oC to 10.0oC. How much heat was lost? Assume density…

A: Given;

Q: A 25.0 g sample of silver metal was heated to 170 °C and then placed in a calorimeter holding 50.0 g…

A: Given: The initial temperature of Silver = 170oC Initial temperature of water = 20.0oC Final…

Q: 4) You are told that a chemical reaction is exothermic. How could you test whether the statement is…

A:

Q: 8. A 7.0-gram metal sample absorbed 211 J of heat as it was heated from 28°C to 85°C. W containing…

A:

Q: A 225.0 gram sample of copper absorbs 735 J of heat from its surroundings. What is the temperature…

A: We have given that  A 225.0 gram sample of copper absorbs 735 J of heat from its surroundings. What…

Q: A 368g mug at 23 celcius was warmed to 72 c with coffee. The specific heat of typical ceramic coffee…

A:

Q: Directions: Please complete this worksheet on a separate piece of paper. 1. What is the specific…

A: Given :  1. Mass of aluminum = 28.4 gm   Heat given = 207 J Increase in temperature = 8.1 ° C  2.…

Q: Question attached

A: Given : Mass of water = 35.5 g Mass of metal = 9.323 g Initial temperature of water = 19.42 oC Final…

Q: A 39 g aluminum spoon (specific heat 0.904 J/g-°C) at 25°C is placed in 178 mL (177 g) of coffee at…

A: A definite quantity of heat is used up in raising temperature of substances. For substance that…

Q: Calculate the total heat energy in joules needed to convert 20.0g of water from 30.0 c to -20.0c

A: q = mc∆T            m = mass  of water = 20.0 g             c = 4.184 J/g. oC…

Q: In a coffee cup calorimeter, 15.0 g sample of nickel metal is heated to exactly 100 °C and dropped…

A:

Q: All of the heat from the combustion of 39.10 mL of C,H, is transferred to 5.175 L of water at…

A: Given values: Volume of C6H6 is 39.10 mL Volume of water is 5.175 L. Initial temperature is 26.9°C.…

Q: A 100.0-g bar of gold is heated from 25 °C to 50 °C during which it absorbs 323 J of heat. Assume…

A: Given, the mass of gold bar m =100.0 ginitial temperature T1 =25 °C =(25+273)K =298 Kfinal…

Q: The fow of energy due to a temperature difference is known as  A) heat  B) temperature C)…

A: GivenMass of water = 67.42 gInitial temperature =Ti = 1.2°CFinal temperature = Tf = 97.4 °C

Q: 7. Calculate the specific heat of gold if it required 48.0 joules of heat to warm 25.0 grams of gold…

A:

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: Part A The specific heat capacity of sold copper metal is 0.385 JigK. How many joules of heat are…

A: Given, specific Heat of solid copper metal  = 0.385 J/gK Mass of block = 1.55 Kg = 1550 g  Initial…

Q: A calorimeter holds 50 g water at 29.0°C. A sample of hot iron is added to the water, and the final…

A:

Q: A 45.90 g sample of pure copper is heated in a test tube to 99.40°C. The copper sample is then…

A: The amount of heat transferred in a thermodynamic system is calculated as follows,…

Q: The specific heat of lead is 0.129 J / g 0C . How many joules of heat is required to raise the…

A:

Q: What is the change in temperature of a 13.6 g sample of water that absorbs 1,524 J of heat?

A: q = mc∆T q is the amount of heat energy absorbed m is the mass of substance  c is the specific heat…

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 9.323 g sample of metal at 99.15 °C was placed in a calorimeter containing 35.5 g of wate 19.42…

A:

Q: What is the change in thermal energy, when 250g of water is heated by 10.0°C? (specific heat…

A: Change in thermal energy is calculated by using following formula Change in thermal energy=m×C×∆T…

Q: A 475-g sample of water absorbs 25.1 kJ of heat. If the initial temperature of water is 19.0oC, what…

A: Given: Mass of water sample(m) = 475 g Heat(q) = 25.1 KJ  OR  25100 J Initial temp. (T1) = 19°C…

Q: 15.0  J of heat is added to 10.00 g of gold, which is initially at 25°C. The heat capacity of gold…

A: Given: Heat energy (Q) = 15.0 J Mass of metal (m) = 10.0 g Initial temperature of metal = 25.0 oC…

Q: 4. The heat capacity of copper is 0.382 J/g°.C. A 22.6 g sample of copper at 93° C is placed in 50 g…

A:

Q: C3H6O) is quite flammable. If a bottle of nail polish (187 mL) burns, how much heat is released? The…

A: The mass of acetone=187 mL×0.788gmL=147.36gin a chemical reaction, some bonds are broken and some…