In the laboratory a student finds that it takes 200 Joules to increase the temperature of 15.0 grams of solid magnesium from 23.8 to 37.8 degrees Celsius. The specific heat of magnesium calculated from her data is ?

Q: The specific heat capacity of a pure substance can be found by dividing the heat needed to change…

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Q: In the laboratory a student finds that it takes 75.4 Joules to increase the temperature of 13.3…

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

Q: 2. Thirty-two joules of heat is added to a 255 gram iron bar How much will the iron bar's…

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Q: A calorimeter is used to measure the heat absorbed or released in a chemical .1 or physical process…

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Q: An automobile engine provides 561 Joules of work to push the pistons. In this process the internal…

A: To solve this question, use the formula which contains q, ∆U, and w in it. Give the signs to the…

Q: In the laboratory a student finds that it takes 88.1 Joules to increase the temperature of 14.5…

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

Q: the laboratory a student finds that it takes 29.3 Joules to increase the temperature of 13.1 grams…

A: Given -> ∆H= 29.3 joule Weight (m) = 13.1 gm T1=20.0°C  T2= 37.9°C

Q: An automobile engine provides 556 Joules of work to push the pistons. In this process the internal…

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Q: An ideal gas in a cylinder fitted with a piston expands at constant temperature from a pressure of 9…

A: Given data : Temperature (T) = Constant Pressure (P) = 9 atm Volume(V) = 7.0 L to 17 LConsatnt…

Q: How much heat is required to raise the temperature of 250.0 g of lead by 52 degrees C?

A: We have given that  mass of lead = m =250g ∆T = 52°C specific heat for lead = C = 0.16 J/g°C To find…

Q: If two objects, A and B, of different temperature come into direct contact, what is the relationship…

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Q: how much heat is released when 51.1 g of copper cools to 75.0°C from 58.9°C given the specific heat…

A: Q = m . s . (T1 - T2)

Q: An automobile engine provides 621 Joules of work to push the pistons. In this process the internal…

A: According to the first law of thermodynamics, the following expression is obtained: ∆U=q+w…

Q: A 531.6 g sample of sodium undergoes a temperature change of +86.75 °C while absorbing 857.4 joules…

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Q: How do I calculate the specific heat of metal if 1027 joules of energy are needed to raise the…

A: q = m .C . ΔT  WHERE  heat = q = 1027 J  mass of metal = m = 42.9 g specific heat of metal  = C =…

Q: In the laboratory a student finds that it takes 204 Joules to increase the temperature of 12.9 grams…

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Q: The temperature of a brass bar by 10.0°C when it absorbs 2.00kJ of energy by heat. The mass of the…

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Q: If a 2.0 g sample of water at 5.0° C absorbs 21.8 of heat energy, what will the temperature of the…

A: given data is  q=21.8, m=2.0g  water heat capacity is 4.18J/g °c apply the formula of heat capacity…

Q: How much heat is required to raise the temperature of 125 grams of water by 10.0 degrees C?

A: Answer The quantity of heat required to raise the temperature of 125 g of water by 10.0°C is 5230 J.…

Q: What is the sensible h

A: by addition of heat to a object its temperature rises, the increase in heat is called "sensible…

Q: When 514 J of heat is added to a sample of liquid water, the temperature rises from 27.8°C to…

A: Specific heat capacity is the amount of heat needed to raise the temperature(usually 1°C) of given…

Q: temperature

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Q: An automobile engine generates 2264 Joules of heat that must be carried away by the cooling system.…

A: According to the first law of thermodynamics, U = Q - W where U represents the change in internal…

Q: A 534.2 g sample of water is subjected to a temperature change of -67.86 °C. The specific heat…

A: Given,  Mass of water in g = 534.2 g  Change in temperature = ΔT = -67.86 0C  Specific heat capacity…

Q: An automobile engine provides 628 Joules of work to push the pistons. In this process the internal…

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Q: A 45g silver spoon (specific heat 0.24 J/g.°C) at 25 °C is placed in 180 g of coffee at 95 °C and…

A: The final temperature of the spoon and coffee will be same.  we know , Heat = ms∆T(m is…

Q: coffe cup Calculate the specific heat capacity of titanium. ture rises fre

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Q: llus_engine.html?ClassID=1834324617# 9H₂0 +9cal = 2020 J qunknown = -2020 J The thermal energy comes…

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Q: An automobile engine provides 565 Joules of work to push the pistons. In this process the internal…

A: In this question, we want to determine the amount of heat that must be carried away by the cooling…

Q: How many joules of heat must be removed from 432g of water. (heat capacity of 4.184j / g celsuis) to…

A: Joules of heat can be calculated by using following formula,The equation for heat is  Q=m(Δt)Cp

Q: What are the units of specific heat?

A: Specific heat is the amount of heat per unit mass (kg or g) required to change the temperature of a…

Q: A sample of aluminum metal absorbs 9.86 joules of heat, pot which the temperature of the sample…

A: Since you have posted multiple questions, we are entitled to answer the first only.

Q: a 25.31 g sample of a substance is initially at 23.9 °c. after absorbing 2317 j of heat, the…

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Q: An automobile engine provides 624 Joules of work to push the pistons. In this process the internal…

A: Calculate heat q for the engine ?

Q: The specific heat capacities for several substances are shown in the table. Substance Specific Heat…

A: Given :-  Substance          specific heat (J/g°C)  Iron                        0.45 Air…

Q: In the laboratory a student finds that it takes 666 Joules to increase the temperature of 10.7 grams…

A: The heat required (q) to raise the temperature of 'm' g of a substance is given as: q=mc∆Twhere, c…

Q: A 531.1 g sample of ammonia releases 777.1 joules of heat. The specific heat capacity of ammonia is…

A: Here we are required to find the change in the temperature when certain mass of ammonia releases…

Q: What is specific heat? Write the specific heat of water. What is the standard enthalpy?

A: Specific heat and standard enthalpy are related to the concept of thermodynamics. Heat is also known…

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

A: Given : Mass of sample = 764.1 g Initial temperature = 41.23oC  Final temperature =20.82oC.

Q: 1. A 15.75-g piece of iron absorbs 1086.75 joules of heat energy, and is temperature changes from…

A: Since you have posted multiple questions, we will solve only the first question for you according to…

Q: An unknown hot metal at 122.41°C with a mass of 53.37g was mixed with 28.15g of water at an initial…

A: We have to calculate the  specific heat of the unknown metal.

Q: of a temperature of 00 and a mass of 18 g in a beaker containing 150 g of water at a temperature of…

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Q: An ideal gas in a cylinder fitted with a piston expands at constant temperature from a pressure of 9…

A: According to the first law of thermodynamics, the energy of the universe remains constant. For a…

Q: Consider the combustion of in oxygen gas to produce carbon dioxide gas and water vapor. In an…

A: if 4790J energy absorbed by water that means energy is released by this combustion reaction. And…

Q: 12. A ring with a mass of 25.5 g appears to be pure silver. Rather than test for density, you can…

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Q: The specific heat of aluminum is .900J/g degree C, what is its molar specific heat?

A: The specific heat of aluminium=0.900 J/goC Mass of 1 mol of aluminium= 26.98 g Molar heat capacity…

Q: energylost by the Fewill be th the heat enérgy gained by- Mass of water 50.003 g Temperature of…

A: Given that :

Q: Iron bar of mass 869 g cools from 94 degree C to 5 degree C. Calculate the heat released by the…

A: Given : Mass of iron = 869 g Initial temperature of iron = 94 oC And final temperature of iron = 5…

Q: An automobile engine provides 572 Joules of work to push the pistons. In this process the internal…

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