How much energy must be removed from 13.7 grams of gaseous helium in order to decrease the temperature from 38.7°C to 22.1°C? The specific heat of helium is 1.24 cal/g °C. =_____ cal

Q: When 25.0 g of zine absorbs 140 J of heat energy, what is the change in temperature of the metal?…

A: Given,  The change in temperature of a metal is: when 25.0 g of zinc absorbs 140 J of heat energy,…

Q: To raise the temperature of aluminum which has a mass of 200 grams from 298 K to 348 K, 8400 joules…

A: specific heat of aluminum, c= 840  J/kg.K

Q: How much heat in joules is required to heat a 28.4 -g(1-oz) ice cube from -23.0 to -1.0°c? Has the…

A:

Q: A sample substance weighing 2.85 grams displaces 15 Ml of water with an initial temperature of…

A: We will solve this question using calorimeter calculations.

Q: Copper has a specific heat of 0.386 J/g°C. a) How much heat (in Joules) is required to increase 5.00…

A: a.) Given, Specific heat capacity of copper (Cp) = 0.386 J/g°C Mass of copper (m) = 5.00 g  Initial…

Q: Specific Heats of Substances Substance Specific Heat (J/g°C) Substance Specific Heat (J/g*C) Ice…

A: Answer

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: How much heat is released when 358 g of water cools from 68.3°C to 18.9°C? The specific heat of…

A: This is the question of thermodynamics Here we have to calculate heat released It uses the formula…

Q: How many calories of energy does it take to heat 17.10 grams of water from 30.3 °C to 85.1 °C? Note:…

A: •Firstly discuss about SPECIFIC HEAT:-Specific heat is required energy in calories to increase…

Q: Determine the specific heat of a sample of Cu from the fact that 64.0J are needed to raise the…

A: Calculating Specific heat: mass of Cu = m = 15.0 g Specific heat of Cu = = ? J/g°C Temperature…

Q: How much energy would it take to heat a section of the copper tubing that weighs about 725.0 g, form…

A: The mass of the copper tube is = 725.0 g Raise in temperature is = 22.6-15.01 = 7.59oC The heat…

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: A 15.0 g piece of graphite is heated to 100.0 degrees C and placed in a calorimeter. The graphite…

A: The specific heat of graphite is calculated by using the following expression,

Q: An 87.0-g piece of iron whose temperature is 73.8 °C (347.0 K) is placed in a beaker containing 300…

A: Specific heat capacity is the amount of heat that is required to rise a temperature of 1 kg…

Q: A 92.9-g piece of a metal is heated to 178.0 °C, and then cooled to 29.7 °C by removing 14052.6 J of…

A: Given: Mass of metal=92.9 g Temperature change, ∆T=(29.7-178.0)°C=-148.3 °C The heat released q…

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: 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: The specific heat of liquid bromine is 0.226 J/g-K. How much heat (J) is required to raise the…

A: Below attached file showing the details answer All the best

Q: How much heat is required to warm 28 g of iron from 12°C to 84° C?. Specific heat of iron is 0.444…

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

A:

Q: how many calories are required  to raise  the temperature of (2.6x10^2)h of water from 42.0celsius…

A:

Q: How much heat is required, in calories, to raise the temperature of 57.8 g of silver from  17.0°C to…

A: Given mass = 57.8 g initial temperature = 17.0°C Final temperature = 43.5°C specific heat capacity (…

Q: (26) The amount of energy needed to heat 2.50 g of an unknown material from 50.0 °C to 90.0 joules.…

A: Given: The mass of the sample, m = 2.50 g The energy required, Q = 48.1 J The temp. change, ∆T =…

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

A: Given that: Mass of metal = 28.4 g Specific heat capacity = 0.128 J/g°C Heat (Q) = 305 J Initial…

Q: How many grams of water can be heated form 20.0°C to 45.0°C by the heat released from 215.0 g of…

A: Heat is the type of energy that is transmitted between two substances at different temperatures. The…

Q: how many calories are required to heat 52.7g of aluminum from 100 celsius to 285 celcius ? specific…

A: The amount of heat required to raise the temperature of the substance by one-degree Celsius is known…

Q: 1. What is the specific heat of ethyl alcohol if 129J of heat is required to raise the temperature…

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

Q: 10. Brass is an alloy made from copper and zinc. A 590.0 g brass candlestick has an initial…

A:

Q: 1. How much heat, in joules, is absorbed by 500.0 g of water as its temperature is increased from…

A: So we’ve to calculate the energy and specific heat capacity in the respective question. We can solve…

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

A:

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: A 15.5g piece of chromium is initially heated to 100.0 degrees C and then dropped into a beaker…

A: The mass of chromium metal piece is = 15.5 g The temperature of the chromium piece is = 100oC =…

Q: The specific heat c of marble is 858 J/g K. How much heat is needed to heat 20 g of marble from 22…

A: Heat absorbed by the water bath is given by: q = m × C × ∆T Where, q = heat absorbed m = mass of the…

Q: Energy to raise 14.5 g of water from 25.0 °C to 35.0°C. The specific heat of water is 1.00 cal /…

A:

Q: How much heat is required to warm 1.70 kg of sand from 28.0°C to 100.0°C?

A: The specific heat of sand is 0.84J/g0C.Given, mass of sand = 1.70kg.

Q: Given a 49.8-g49.8-g sample of this substance with a specific heat of 59.0 J/(kg·°C),59.0 J/(kg·°C),…

A: A sample whose temperature is changed from 180°C to 256°C, whose quantity of heat energy released is…

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 heat (q) absorbed or removed by a metal or compound can be calculated by the mass of the…

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: How much energy is needed to raise the temperature of a 20.0g piece of copper from 15.0 degrees…

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

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: The specific heat capacity of liquid mercury is 0.14J/g-k. How many kilojoules of heat are needed to…

A:

Q: How many grams of an unknown substance, having a specific heat of 1.66 J g ° C, are present if a…

A: Specific heat, c=1.66 J g ° C Temperature change, ∆T=-173.4 K =-173.4 ° C (The difference in…

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: How much heat is required to warm a 4.1 lb Pyrex baking dish from 22 degrees C to 191 degrees C?

A:

Q: Calculate the specific heat of a metal if 45.0 grams of the metal at 100.0 °C, when placed into…

A:

Q: How much heat is required to raise the temp. of 10.58 g sample of iron from 25.0 degrees C to 79.8…

A: Given, mass of iron sample m = 10.58 g  specific heat of iron C = 0.450 Jg°C  Initial temp. T1 =…

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: TABLE 5.2 Specific Heat Values of Some Common Substances Substance Specific Heat (J/g °C) Substance…

A: