A 789.0 g of water is placed in a freezer. The temperature of water changes from 30.5 degrees celsius to 0 degrees celsius. Calculate the amount of heat released.

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: If 161 g of water has 5.72 X 10 4 J of heat added to it, what is the change in temperature?

A: We have to use the formula:  q =          mc ΔT where q = heat added/ removed that is 5.72 X 10 4 J…

Q: What amount of energy is required to heat 71.1g of marble from 21 degrees celcius to 151 degrees…

A: Recall the following expression to calculate amount of required energyQ…

Q: Use the References to access important values if needed for this question. In the laboratory a…

A: Given Mass = 13.9 g Temperature difference = 40-24.3 = 15.7°C Heat (Q)  = 28.2 J

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 it takes 41.72 joules to heat a piece of gold weighing 18.69g from 10.0°C to 27.0°C, what is the…

A: Given, the amount of heat taken by gold q = 41.72 joules amount of gold m = 18.69 g and increase in…

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: 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: How many joules are required to heat 180g of water from 20c to 35c. The specific heat of water is…

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Q: A 167.8 g piece of iron initially at 25.0 Celsius, absorbs 10943 J of energy. What will the final…

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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: 1.) In the laboratory a student finds that it takes 4.75 calories to increase the temperature of…

A: 1) Given: Mass of lead = 10.4 g. Amount of heat added = 4.75 calories. The initial temperature of…

Q: Calculate the specific heat of a 300.0g sample of iron. If it took 1000. Cal to raise the…

A: Mass of sample = 300 g Heat needed = 1000 cal ∆T = 123 oC

Q: A sample of water with a specific heat of 4.186 joules/gram is cooled from 45 degrees celsius to 25…

A: Given that, specific heat of water = 4.186 joules/(gram.oC) And the sample of water is cooled from…

Q: 1.14E1 ounces of water are heated during the preparation of a cup of coffee. 1.179E3 J of heat are…

A: Solving only first question in accordance with the guidelines.

Q: A sample of water absorbs 3.00 × 103 J of heat energy and its temperature rises from 20.0 oC to 31.2…

A: The temperature change of water is determined as given below,

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: What is the final temperature if 21.9 kJ of heat is added to 84.1 grams of water at 24 degrees…

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Q: The temperature of a sample of copper increased by 24.7 °C when 275 J of heat was applied. Substance…

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

Q: If 31,500J of heat is used to warm 750g of water, what is the temperature change? The specific heat…

A: According to the law of calorimetry,  Heat absorbed by an object can be written as,  Q = ms∆T Where,…

Q: The temperature of a 15.9 g sample of gold increases from 22.1 degrees Celsius to 30.6 degrees…

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Q: We heat a 25-g sample of metal from 10 °C to 85 °C, 1082 J of energy is added to it by heat.…

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Q: A 25.0 g mercury is heated from 25 °C to 155 °C and absorbs 455 J of heat in the process. What is…

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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: A sample of water with a mass of 190.4g undergoes a temperature change from 81.25 degrees celsius to…

A: q = mc∆T  q is the amount of heat energy (absorbed or released) m is the mass of substance  c is the…

Q: How many joules of heat energy is required in rising the temperature of 90.1g of water from 29.1 c…

A: It is given that 90.1 g of water is heated and the temperature rises from 29.1°C to a temperature of…

Q: Water (2750 g ) is heated until it just begins to boil. If the water absorbs 5.55 x 10³J of heat in…

A: The amount of energy absorbed by a substance depends upon the mass of the substance, specific heat…

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: How much heat is released when 25.0g of water cools from 48.9°C to 4.0°C ?

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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: 100.0 g of 4.0 degrees C water is heated until its temperature is 37 degrees C.Calculate the amount…

A: Heat required = mCsΔT m = Mass of substance Cs = Specific heat of substance ΔT = Temperature…

Q: A 24.0 g sample of iron was heated from 0°C to 35.0°C. It absorbed 4087.4 J of energy as heat. What…

A: Consider the given equation as; Q = M C dT                          .......(1) Consider the given…

Q: heat capacity

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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: Determine the mass of a sample of silver if 705J of heat are required to raise its temperature from…

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Q: In the laboratory a student finds that it takes 14.8 Joules to increase the temperature of 10.6…

A: The specific heat (C) of a compound is mathematically expressed as: C=Qm×∆T…

Q: In the laboratory a student uses a "coffee cup" calorimeter to determine the specific heat of 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 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: Calculate the quantity of heat required to warm 1.25 L of water from 22.0°C to 98.0°C in an electric…

A: We have 1.25 L of water , initial and final temperature are 22°C and 98°C, we have to calculate the…

Q: A sample of water with a mass of 764.1g undergoes a temperature change from 41.23 celcius to 20.82…

A: In exothermic reaction, there is release 9f heat energy during reaction.

Q: A 4.8 sample of water starting 56 C loses 448 J of energy in the form of heat. What is the final…

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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 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: It takes 48.0 J to raise the temperature of an 10.7 g piece of unknown metal from 13.0° C to 24.3…

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