If a gas furnace releases 450 kcal of heat energy, what is the energy in kilojoules? (1 cal = 4.184 J)

Q: If a 6.7892 g sample of Chips is burnt and releases enough heat to raise the temperature of 96.6782…

A: Given: Mass of water = 96.6782 g. Initial temperature of water = 26.4 oC And the final temperature…

Q: 6. For a calorimeter, if a ball with a mass of 0.2 kg, has an initial temperature of 38 °C when…

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Q: What is the specific heat of a metal whose mass is 94.5 g if the temperature changes from 250°C to…

A: It is given that the mass of the metal is 94.5 g and is undergoing a temperature change from 250°C…

Q: A calorimeter is charged with 57.9 mL of water at 25.0 °C. After a reaction takes place in the…

A: Given, Volume of water = 57.9 mL Density of water = 1.00 g/mL Initial temperature (Ti) = 25°C Final…

Q: What is the final temperature of a 56 g sample of water if the initial temperature was 4.0°C and it…

A: Given: Mass, m = 56 g Heat, q = 3046 J Specific heat of water, c = 4.184 Initial temperature, Ti =…

Q: A container filled with 7.81 kg of water underwent a temperature change from 24.19 "C to 28.08 °C.…

A: The amount of heat required to one gram of  substance to raise  the temperature of one degree…

Q: How much heat energy, in calories, is needed to heat 150 grams of water from 20.4 C to 50. 7 C ?

A: Solution With data of the particular heat capability of a substance, its mass, and therefore the…

Q: A runner burns 2.56 x10^3 kJ during a five mile run how many nutritional calories did the runner…

A: Given : energy burned in KJ = 2.56 X 103 KJ

Q: When 1.0 g of gasoline burns, it releases 11 kcal of heat. The density of gasoline is 0.74 g/mL. a.…

A: It is given that:Mass of gasoline = 1.0 gAmount of heat released = 11 kcalDensity of gasoline = 0.74…

Q: What is the specific heat of a piece of metal (in J/g°C) if 55.00 g of the metal releases 272 J of…

A: Q = m . s . (T1 - T2) Where, Q = heat released in J m = Mass of metal in g s = specific heat of…

Q: An iron piston in a compressor has a mass of 3.62 kg. If the specific heat of iron is 0.449 J/g°C,…

A: •  The values provided in the question are:-  i) Mass of an iron piston, m = 3.62 kg = 3620 g { 1 kg…

Q: Methane, CH4, is a major component of marsh gas. When 0.5000 mol methane burns to produce carbon…

A: Given : Heat = -445.1 KJ

Q: The specific heat of a 70 g sample is 0.069 J/(g·K). If it absorbs 96 J when it is heated from a…

A: Heat energy required to raise the temperature of body of 1gram of  mass to 1°c is known specific…

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: Tin has a specific heat of 0.21 J/g°C. If a 3.2 kg sheet of tin absorbs 8.4 kJ of energy, by how…

A: According to the equation, Q=mcdTQ=heat absorbedm=mass of substancedT= change in…

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 :-  mass of metal = 77.1 g  initial temperature = 20.0°C  specific heat of metal = 0.128…

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

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Q: 4. In a coffee cup calorimeter, the temperature of 35.0 g of water drops from 20°C to 15.6°C when…

A: Given: The mass of water and KBr is 35.0 g and 9.0 g, respectively. The temperature of water…

Q: he specific heat of copper is 390 J/kg oC, the change in temperature is 40oC. If the copper absorbs…

A: From given data Specific heat c = 390 J/kg°C  Change in temperature ∆T = 40°C  Heat absorbs Q = 40 J…

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

A: The specific heat of the metal is = 0.128 J/(g.oC) The amount of heat added is = 305 J The initial…

Q: What is the specific heat of 20.0 g piece of an unknown substance that changes from 25°C to 75°C…

A: Heat required to raise the temperature of the substance through 1°C is known as specific heat of the…

Q: A hot tub is filled with 450.0 gallons of water.  1. What is the mass, in kg, of the water in the…

A: Given : Volume of water = 450.0 gallons  Since 1 gallons = 3785.41 mL Hence volume of water in mL =…

Q: What is the kinetic energy of a 63.4 gram bullet moving at a velocity of 318 meters per second?…

A: Given values are, Mass ,m =63.4 g =0.0634 kg Velocity,v= 318 m/s

Q: When a 0.69-g sample of olive oil is burned in a calorimeter, the heat released increases the…

A: The amount of energy for a particular amount of matter present at specific temperature with specific…

Q: 4. A hot 1.00 kg chunk of copper is allowed to cool to 100.0°C. If the copper gave off 231 kJ of…

A: Given,  Mass of Copper = 1.00 Kg Final temperature = 100.0°C  Specific heat = 0.385 J/g°C  Initial…

Q: If 0.066 mol of hydrochloric acid (HCl)  is mixed with 0.066 mol of sodium hydroxide (NaOH)  in a…

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Q: How many calories are required to heat 731 g of water from 8°C to 74°C?

A: The amount of heat required is given by, q = m.C.∆T where m is the mass , C is the specific heat and…

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: If 0.067 mol of hydrochloric acid  (HCl)  is mixed with 0.067 mol of sodium hydroxide  (NaOH)  in a…

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Q: A 68.0 kg person uses 214 kJ of energy to walk 1.00 km. This energy comes from “burning" glucose…

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Q: Copper wires used to transport electrical current heat up because of the resistance in the wire. If…

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Q: How many joules of energy are needed to heat 15g of water from 5.0 C to 15.0 C?

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Q: It takes 3.89x10* BTU of energy to heat a typical house, with an area of 2370 square feet, for a…

A: BTU represent the British thermal unit, while kJ represents kilojoules. These are the units of…

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: The reaction of carbon dioxide (g) with hydrogen (g) to form carbon monoxide (g) and water(g)…

A: Recall the given reaction,                  CO2 g  +  H2 g  →  CO g  +  H2O g12.7 g of CO2 g…

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: How many joules of heat is needed to heat a 108 grams of Aluminum foil from 13°C to 65°C if aluminum…

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Q: An iron can weighing 50 grams absorbs 256.0 J of heat and warms by 11.4°C. What is the specific heat…

A: The given data contains, mass =50 g which absorbs 256 J. Temperature change =11.4°C

Q: How many calories are needed to heat a pot of 1,600 g of water from 25 °C to 100. °C?

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

Q: How many joules of heat is needed to heat a 108 grams of Aluminum foil from 13°C to 65°C if aluminum…

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Q: The temperature of a 16.2g sample of gold increases from 20.5°C to 30°C. If the specific heat of…

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

Q: what is the specific heat in J/gC of a 5.75x10^-3 kg piece of metal if the addition of 41.83 cal of…

A: The heat released or absorbed (q) when the temperature of any substance is raised is calculated as:…

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

A: Since you have posted multiple questions, we will solve only first question for you. If you want any…

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: An electric range burner weighing 619.0 grams is turned off after reaching a temperature of 499.9°C,…

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Q: A 2.9-g sample of rice is placed in a calorimeter. When the sample is burned, 23 kJ is given off.…

A: Given:- 2.9 g rice on burning gives 23 kJ energy.                            2.9 g gives=> 23 kJ…

Q: Iron (III) oxide decomposed into iron and oxygen gas, 1.70 X 10^3 kJ of heat was absorbed. How many…

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Q: How much heat, in joules, must be added to a 5.00 × 102-g iron skillet to increase its temperature…

A: The heat is given by: q = m × c × ∆Tq = heatm = massc = specific heat∆T = change in temperature