If 1369 J of heat are released when 156 g of silicon cools from 37.5 oC to 2.50 oC, what is the specific heat of silicon? Is this endothermic or exothermic?

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: Zinc has a specific heat of 0.387 J/g · ºC. When a 3.20-g piece of zinc absorbs 6.81 J of heat, what…

A: Solution: The equation that establishes a relationship between how much heat a substance must absorb…

Q: 3. What is the heat change when 55.0 g of water cools from 60.0 degrees Celsius to 25.5 degrees…

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Q: If 20.0 g of copper cools from 35.0°C to 32.8°C and loses 38.6 Joules of heat, what is the specific…

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Q: If 125 cal of heat is applied to a 60.0-g piece of copper at 21.0 ∘C , what will the final…

A: The change in temperature can be calculated by using the formula:Amount of heat = mass*specific…

Q: What is the specific heat of a 41.5g piece of glass, if it takes 17.8 kJ of heat to raise its…

A: ∆H = mS∆T  ∆T = 68.5 - 20 = 48.5 °C

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: 3. The temperature of a sample of water increases from 20°C to 46.6°C as it absorbs 5650 calories of…

A: (3) Given that -  Initial temperature T1 = 20°C  Final temperature T2 = 46.6°C  Difference in…

Q: 175 g of water was heated from 15°C to 88°C.  How many kilocalories (kcal) of heat were absorbed by…

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Q: Can you help me, im confused on how to do this So can you help me understand it by showing how to…

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Q: 1-  During a chemical reaction, which of the following statements is ALWAYS true?  I) A system…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: In order to change the temperature of 147 g of lead from 22 o C to 55.oC, how many Joules are…

A: Q = mc∆T Q = heat M = mass C = specific heat capacity ∆T = change in Temp.   M = 147 g ∆T = Tfinal –…

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

A: Given: Mass of olive oil is 3.4 g. Heat transferred is 435 J. The initial temperature is 21° C. The…

Q: The specific heat of a certain type of metal is 0.128 J/(g⋅∘C). What is the final temperature if 305…

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Q: A student places a block of hot metal into a coffee cup calorimeter containing 151.0 g of water. The…

A: Given data,Mass of water=151.0gInitial temperature of water=23.3oCFinal temperature of…

Q: The specific heat of a certain type of metal is 0.128 J/(g*c). What is the final tempature if 305J…

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Q: Chargers for cell phones get warm while they are being used. Some of the energy that they are using…

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Q: Suppose that 3,248 J of heat is removed from 86.5 grams of octane at an initial temperature of…

A: Since the heat of any process at constant pressure is given by  Q = mCΔT  where Q = heat given =…

Q: Solve this

A: The heat capacity is the ratio of the energy supplied in the form of heat to the rise in the…

Q: The specific heat of a certain type of metal is 0.128 J/(g. C). What is the final temperature if 305…

A: The specific heat of the metal is = 0.128 J/(g.oC) The amount of heat added is = 305 J The initial…

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: The temperature of a sample of water changes from 10°C to 20°C when the water absorbs 100 calories…

A: In this question, we want to calculate the mass of the sample.  How we can calculate, I will give…

Q: The initial temperature of a 12g sample of copper is 25 C.  If the sample absorbs 226J of heat, what…

A: Given: Heat absorbs = 226 J Heat capacity of copper = 0.385 J/g⋅∘C Mass of copper = 12 g Initial…

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: The specific heat of a certain type of metal 0.128 J/(g⋅∘C). What is the final temperature if 305 J…

A: Specific heat capacity is defined as the quantity of heat absorbed by 1 g of substance to raise the…

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

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Q: A 5.0-g sample of a metal increases in temperature from 20.0C to 22.0C when it absorbs 9.6 J of…

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Q: How much heat is required to raise the temperature of 6.21g sample of iron from 25.0 Celsius to 79.8…

A: Temperature change (ΔT) taking place in 6.21g of iron is given.

Q: The specific heat of a certain type of metal is 0.128 J/(g.°C). What is the final temperature if 305…

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Q: 4. 448 Joules of heat are required to raise the temperature of a 10 gram sample of metal from 10…

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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: heat, upon which the temperature of the sample increases from 21.5 °

A: Dear student I have given answer to your question in the image format.

Q: A 22.44 g sample of iron absorbs 180.8 J of heat, upon which the temperature of the sample increases…

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Q: 1) A sample of iron with a mass of 10.0 g changed its temp. from 50.4°C to 25.0°C with the release…

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Q: A beaker of hot water with a volume of 43.9 mL has an initial temperature of 94.3 °C. You place a…

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Q: In the laboratory a student finds that it takes 48.7 calories to increase the temperature of 11.6…

A: Using formula of specific heat capacity and by putting values given we have solved this problem.

Q: What is the specific heat of a metal whose mass is 94.5 g if the temperature  changes from 250°C to…

A: The specific heat of a substance is defined as the amount of heat required to increase the…

Q: A piece of al rises from 12°C to 267°C when 271 J of heat are applied What is the mass of the…

A: Initial temperature of Aluminum (Al) = T1 = 21°C Final temperature of Aluminum (Al) = T2 = 267°C…

Q: 8. If 335 g of water 65.5 °C loses 9750 J of heat, what is the final temperature of the water?…

A: We have mass of water as 335g, initial temperature as 65.5°C, looses 9750J of heat, specific heat of…

Q: The specific heat of aluminum is 0.900 j/g*C, how many joules of energy are required to raise the…

A: Given, mass of Al (m) =20.0 gspecific heat of Al (c) =0.900 Jg.°Cinitial temperature T1 =10.0…

Q: What mass of lead is needed to absorb 348 J of heat if the temp of the sample rises from 35.2…

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Q: A 125.0 g sample of metal at 85.0°C is placed in 165.0 g of water at 18.0 °C.  The temperature of…

A: Metal is at higher temperature and water is at lower temperature. Metal transfers the heat to water…

Q: The initial temperature of a 12-g sample of copper is 25 °C. If the sample absorbs 226 J of heat,…

A: Mass of Copper =M= 12 gInitial Temperature of copper = Ti = 25°CHeat absorbs =q = 226 JSpecific heat…

Q: A sample of water with a mass of 726.2 g undergoes a temperature change from 58.3°C to 40.50°C. What…

A: The heat change of the temperature change process is given by  Q = mCΔT  where Q = heat change  m =…

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

A: To solve this problem we will use the formula   q = m • C • ∆T   Where,  q= heat abosbed , m = mass…

Q: Copper is used in building integrated circuits, chips, and printed circuit boards for computers.…

A: The given data: The heat absorbed by the copper = 228 J The mass of the copper = 125.0 g The initial…

Q: What will be the final temperature when a 25.0 g block of aluminum (initially at 25 °C) absorbs 10.0…

A: The amount of heat energy  is related to specific heat capacity as,…