There is 3930 J of energy added to a 79.8-g sample of H2 gas. By how much does the temperature change?

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: 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 the specific heat of water is 4.18J/g°C and 325J of heat is added to 56.75g of water, how much…

A: We have to calculate the temperature change when 325 J of heat is added to 56.75 g of water.Specific…

Q: 1. If a 100-kg sample of aluminum at 25.0 °C is heated with 500 kJ of heat energy, what will be the…

A: The heat absorbed by the aluminium is given by: where m= mass of metal = 100 kgIni q= total heat…

Q: Which of the following is true about an exothermic reaction? O The number of moles of products is…

A: ''In exothermic reaction, heat is released" therefore heat of reaction is negative

Q: If 75.0 grams of water is heated from 32.6°C to 78.9°C, how many kilojoules of heat does the water…

A: Given - - > Mass, m = 75 g Initial temperature, T1 = 32.6°C Final temperature, T2 = 78.9°C…

Q: The specific heat for iron is 0.444 J/g Celsius . What is the final temperature of a 41.4 g sample…

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Q: The table lists the specific heat values of several substances. Substance Specific heat (cal/g.°C)…

A: Heat energy is given by q = m * C * ΔT where q = heat energy m = mass of the substance C = specific…

Q: How much heat (J) must be added to a 50.0 g sample of zinc if the temperature increases from 20'C to…

A: q = mc∆T  q is the amount of heat energy  m is the mass of substance  c is the specific heat…

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: When determining the specific heat of a metal, the heat lost by the metal equals the negative of the…

A: For any substance, the heat used up in raising its temperature by 1 unit for mass of 1 g is called…

Q: 6.117 What is the temperature of a 125-g sample of tin, initially at 26.2°C, if 155 J of heat is…

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Q: The table lists the specific heat values of several substances. An unknown substance has a mass of…

A: Mass of substance = m = 16.3 g Temperature increased by Means change in temperature = ∆T = 12.5°c…

Q: Please select the incorrect assertion from the following: A. Heat is energy that is transferred as a…

A: Temperature is a physical quantity. It measures the hotness and coldness of a system.

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: A new alloy is designed for use in a car radiator. If the 17.6 kg radiator required 8.69 × 105 J of…

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Q: Which sample is most likely to undergo the smallest change in temperature upon the absorption of 100…

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Q: What is the volume of glucose, C6H12O6, that must be burned to release 1.00 x 103 kJ of heat? (C:…

A: Given data, Density of glucose = 1.54g/cm3 ∆H for glucose = 132kJ/mol Energy required = 1.00 x 103kJ…

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: Aluminum has a specific heat of 0.902 J/goC. How much heat is gained when a piece of aluminum with a…

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Q: A 5.0 g piece of metal is heated to 100 degrees Celsius, then placed in a beaker containing 20.0 g…

A: Given:Specific heat of water = 4.18 J/g. oCMass of metal = 5.0 gMass of water = 20.0 g.Initial…

Q: Examples 1) A calorimeter containing 200.0 g of water at an initial temperature of 25.0 °C was used…

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Q: Copper is sometimes coated on the bottom surface of cooking pans. Copper has a specific heat of…

A: Concept introduction: Heat capacity is the amount of heat required to raise the temperature by 1oC…

Q: A 248.5 g water bath is heated to 98.2 ˚C from 22.2 ˚C.  How much heat was absorbed by the water, in…

A: Specific heat and heat of the Substance are interrelated with each other by -   Q = C m ∆T Here, Q =…

Q: A coal-burning power plant generates electrical power at a rate of 450 megawatts (MW), or 4.50 x 108…

A: Heat is that energy which is transferred from one body to another which creates difference in…

Q: The answer to this question is a numerical answer. Please report the numerical answer to 1 decimal…

A: Given:  The volume of HCl is 50.0 mL. The volume of NaOH is 31.8 mL. The molarity of HCl is 0.100 M.…

Q: How many joules of heat are absorbed when 1000g of water is heated from 18oC to 85oC? The specific…

A: We have to find how many joules of heat are absorbed when 1000g of water is heated from 18oC to…

Q: A sample of sand at 21.5 degrees C absorbs 1.400E3 Joules of energy. The final temperature of the…

A: The relationship between heat and change in temperature is given by,

Q: If 2.500KJ of heat are added to 50.0g of water at 25.00 °C, what would be the final temperature of…

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Q: The specific heat of copper is 0.385 J/g°C. Calculate the final temperature when 25.0 g of copper…

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Q: Which of the following physical processes is exothermic? a. evaporation of alcohol b. melting of…

A: Concept  1) release of energy is known as exothermic process.  2) absorption of energy is called…

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: How many Joules of energy would be required to heat 35g of water from 23C to 29C?

A: Specific heat capacity of a substance can be defined as the amount of energy required to raise…

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: A 500-mL bottle of water at room temperature and a 2-L bottle of water at the same temperature were…

A: Heat gained or lost,  Q = mCPΔTΔTFrom the above equation it is clear that the heat lost or gained…

Q: How much heat (in kilojoules) is gained by 294 grams of water that is warmed from 25.00C to 57.00C?…

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Q: The table lists the specific heat values of several substances. Substance Specific heat (cal/g. C)…

A: Specific heat capacity: The amount of heat required to increase the temperature of one gram of a…

Q: If a temperature vs. time curve gives a delta T of 10.0 C and you assume that all the heat produced…

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Q: -Calorimetry Questions 1. A 24.6 g sample of nickel is heated to 110.0 °C and then placed in a…

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Q: The distance a climber travels to the top of a mountain…

A: 1. The distance a climber travels to the top of a mountain. - it is a path function because distance…

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 7.50-g piece of iron at 100.0°C is dropped into 25.0 g of water at 22.0°C. Assuming that the heat…

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Q: The temperature of 34.7 g H2O changes from 27 °C to 53 °C. What is the heat associated with this…

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Q: The density of aluminum is 2.7 g/cm3 and its specific heat is 0.9 J/g.0. A piece of 9.7 cm3 aluminum…

A: Recall the following relation according to law of calorimetry          Q=mC×∆tHere Q is amount of…

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: 78.50 grams 2.30 C 105 cal (2) (3) Mass of Metal B ATemperature Heat lost/gained by Metal B Specific…

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Q: How much heat is given off to the surroundings when 6 g of aluminum reacts according to the…

A: Thermodynamics is the branch of chemistry that mainly deals with the heat transfer between system…