The density of a specific substance is 1.23 g/cm3. Likewise, it has a specific heat of .645 cal/g °C. If a 125 gram sample of this substance is heated from 38 °C to 90 °C, how much heat would be required?

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: How much heat is required to warm 1.50 L of water from 25.0 °C to 100.0 °C? (Assume a density of 1.0…

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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 the temperature of a 95.00 g sample of Iron started at 36.0°C and ended at 58.0°C, how much heat…

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

Q: The temperature of a 95.4 g piece of copper decreases from 48°C to 25°C when the copper releases 849…

A: The amount of heat required to increase the temperature of 1 gram of a substance by 1 degree Celsius…

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 mass (in grams) of the sample?

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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: It takes 770 joules of energy to raise the temperature of 50.0 g of mercury by 110-C. What is the…

A: Given  Heat q = 770 Joule Mass of mercury m = 50.0 g Temperature change ∆T = 110oC specific heat of…

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: An amount of food is burned and releases 3600.0 of calories of energy. What mass of water can be…

A: The energy released by the burning of the food is = 3600.0 calories The change in the temperature of…

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: In metric terms, a typical automobile averages 5.76 km/L of gasoline burned. Gasoline has a heat of…

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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: How many grams of sugar Are needed to release 49,000 J of heat?

A: To determine the gram of sugar needed to release 49000 j of heat.

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: Solve this

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

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 126.0 g sample…

A: Specific heat capacity is the amount of heat required to raise the temperature of a substance by 1…

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

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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: 67.3 g sample metal with specific heat of 0.246 J/g degrees celsius is heated by 1693 J of energy.…

A: Given data: Mass of metal (m) = 6.3 g, Specific heat of metal (c) = 0.246 J/g o C, Energy (E) = 1693…

Q: A 20-mL volume of water lost_J of energy after its temperature decreased by 15°C. The specific heat…

A: We have to find the amount of energy lost after decreasing temperature by 15°C  Given volume(v) =…

Q: A. HEAT Initial Temperature of Metal A Final Temperature of Metal A 89.67 °C 21.50 °C 4.70 grams…

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Q: How many joules of heat are required to heat 125 g aluminum from 19 degrees C to 95.5 degrees C?

A: Given information:Mass of aluminum = 125 gInitial temperature = 19 ˚CFinal temperature = 95.5…

Q: What is the specific heat of tin if a 55.0 g sample absorbs 982 j of heat to raise its temperature…

A: The heat absorbed (q) by a system is given by, q=m.c.∆T where m is the mass, c is the specific heat…

Q: In the laboratory a student finds that it takes 62.4 calories to increase the temperature of 15.0…

A: Given :-  Heat absorbed = 62.4 cal  Mass of Mg = 15.0 g  Initial temperature = 20.9 oC  final…

Q: A 275-g sample of a metal requires 10.75kj to change its temperature from 21.2°C to its melting…

A: Specific heat of a substance is given by, c=qm×ΔT Here, q is the heat required (in joule) to change…

Q: 50 g of copper is heated to increase its temperature by 10° C. If the same quantity of heat is given…

A: Given: The mass of copper (Cu) is 50 g The increase in temperature of copper is 10oC The mass of…

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: 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: A typical recipe for a hot toddy (a drink often used as a cold remedy) is to mix hot water with…

A: Given, The amount of energy absorbed by 16 oz. of water is 33 kcal. The amount of hot water mixed…

Q: In the laboratory a student uses a "coffee cup" calorimeter to determine the specific heat of a…

A: Here, we need to calculate the value of specific heat of tin. Specific heat formula is used to…

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: In one box of nails, there are 75 iron nails weighing 0.280 lblb . The density of iron is 7.86…

A: Given: Mass of 75 iron nails = 0.280 lb. Specific heat of iron = 0.452 J/g.oC. Since 1 lb = 453.6 g.…

Q: Question 98

A: The specific heat capacity of Aluminium is 0.9 J/gm K And since the temperature in K is given by…

Q: A 125 g piece of metal is heated to 288°C and dropped into 85 g of water at 12°C. The metal and…

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Q: How much heat, in joules and calories, is needed to heat up 253 mL of water from 13.3 °C to 85.2 °C?…

A: Given : Volume of water = 253 mL Density of water = 1.00 g/mL Initial temperature of water = 13.3 °C…

Q: A)   An iron nail with a mass of 12 gg absorbs 15 J of heat. If the nail was initially at 30 ∘C,…

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Q: he freezing point of mercury is -38.8°C. What quantity of energy, in joules, is released to the…

A: The density of liquid mercury =13.6 g/cm3. The mass of mercury = 1.00 mL × 13.6 = 13.6 g Hg.

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 specific heat of an unknown metal if a 32.5 g sample loses 328 J of heat when it cools…

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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: What is the specific heat of an unknown matter if a 20.00 kg of it released 300000.0 J of heat to…

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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…