Calculate the amount of heat required to raise the temperature of an 91g sample of water from 39 ∘C to 65 ∘C.

Q: How much heat did a cold water sample absorb if 53.88ml of water initially at 22.2 celcius to 32.5…

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Q: It takes 54.0 J to raise the temperature of an 11.5 g piece of unknown metal from 13.0 Celcius to…

A: The relationship between heat required and specific heat of a substance is given below.

Q: A block of unknown metal requires 50 kJ of heat to raise in temperature from 40 deg C to 50 deg C.…

A: Given Q1 = 50 KJ ∆T= final temperature - initial temperature      =  50- 40       = 10 Now by using…

Q: Calculate the joules of heat required to raise the temperature of 34 g copper bowl from 20 oC to 45…

A: The mass of copper is = 34 g The increase in the temperature is = 45oC-20oC = 25oC The heat…

Q: Calculate the amount of heat required to raise the temperatureof a 65-g sample of water from 32oC to…

A: The heat Q required to raise the temperature is,

Q: What is the minimum amount of energy required to heat 145 grams of water to the boiling point of…

A:

Q: The specific heat of toluene, C7H8, is 1.13 J/g-K. How many joules of heat are needed to raise the…

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Q: if 624J of heat is added to 30.2g of water at 24.3°c, what will the final temperature of the water…

A: The amount of heat added is = 624 J The initial temperature of the water is = 24.3oC The mass of…

Q: How much heat is required to raise the temperature of a 10.75-g sample of iron (specific heat =…

A: Given Information:Mass of iron sample = 10.75g Final temperature = 79.8oCInitial temperature = 25…

Q: How much heat is required to raise the temperature of a 5.75-g sample of iron (specific heat = 0.450…

A: The heat required to increase the temperature of metals are given by  Q = mCΔT where m = mass of…

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: 1. How much heat is needed to raise the temperature of 1000 g of metal from 0°C to 10°C if the…

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Q: How much heat is released by a 76-gram piece of copper as it cools from 450C to 28C?

A: Calorimetry:

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: If 25.0 kJ of heat are given off when 2.9 g of HCl condenses from vapor to liquid, what is AHcond…

A: Given that: HCl(g) ...> HCl(l) dH = -25.0KJ upon 2.9 g of HCl

Q: How much heat will be absorbed by a 43.1g piece of aluminum as it changes temperatures from 23…

A: The heat capacity of a chemical substance is the quantity of heat required to increase temperature…

Q: Calculate the specific heat of a 300.0g sample of iron. If it took 1000. Cal to raise the…

A: Mass of sample = 300 g Heat needed = 1000 cal ∆T = 123 oC

Q: A metal object with a mass of 12.0g requires 16.1 joules to raise its temperature from 35.0 degrees…

A: The amount of heat required to raise the temperature of a body of mass m from its initial…

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: How many joules of heat are needed to raise the temperature of 10.0g of aluminum from 22 degrees…

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Q: How much heat is required to raise the temperature of 55 grams of water from 16 degrees Celsius to…

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Q: 4. If 5.524 x 10°J of heat is applied to a 702.1 g sample of iron, by how many degrees Celsius will…

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Q: What is the specific heat of lead if it takes 97.8 JJ to raise the temperature of a 75.1 g block by…

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Q: Determine the amount of heat energy in joules required to raise the temperature of 7.40g of water…

A: Given:  Mass of water = 7.40 g  Initial temperature = 29°C Final temperature = 46°C Standard data:…

Q: It takes 55.0 JJ to raise the temperature of an 9.60 gg piece of unknown metal from 13.0∘C∘C to 24.4…

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Q: A 135 g sample of metal requires 2.50 kJ to change its temperature from 19.5 oC to 100.0 oC. What is…

A: Given,Mass of the metal, m = 135 gHeat required, q =2.50 kJ = 2500 J    (1 kJ = 1000 J)Initial…

Q: A piece of unknown substance weighs 56.4 g and requires 2.70 ✕ 103 J to increase its temperature…

A: The specific heat capacity for a given chemical substance or a solution refers to the amount of the…

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: 4. An unknown substance requires 567 J of heat to increase its temperature from 0 to 15 °C. The…

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Q: What is the heat capacity of a substance if it takes 6.9 kJ of heat to warm 396.1g by 30.6 C?

A: Heat capacity ( c ) is the quantity of heat energy required to increase the temperature of a…

Q: What is the specific heat (c) of a metal if the temperature of a 15.5g sample increases from 29.5℃…

A: The amount of heat required to increase the temperature of one kilo gram of a substance by one…

Q: What is the specific heat of aluminum if it takes 161 cal to raise the temperature of a 75 g…

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

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: How much heat is released when 25.0g of water cools from 48.9°C to 4.0°C ?

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Q: An unknown hot metal at 146.5°C with a mass of 49.43g was mixed with 36.8g of water at an initial…

A: specific heat is defined as the quantity of heat required to raise the temperature of one gram of a…

Q: An unknown substance requires 567 J of heat to increase its temperature from 0 to 15 ºC. The  sample…

A: Given, Amount of heat required (Q) = 567 J Initial temperature (Ti) = 0°C Final temperature (Tf) =…

Q: The specific heat of toluene, C7H8, is 1.13 J/g-K. How many joules of heat are needed to raise the…

A: Given :-  Specific heat of toluene = 1.13 J/g.K  Mass of toluene = 40.0 g  Initial temperature =…

Q: When 375 mL of water (d = 1.00g/mL) at 32°C are mixed with 125 mL of water at 92°C, what is the…

A: Mass of 375 mL water and 125 mL water is calculated as follows,

Q: What mass of water will change its temperature by 3.00 degrees C when 525 J of heat is added to it?

A: The answer to the following question is-

Q: A 135-g sample of a metal requires 2.50 kJ to change its temperature from 19.5°C to 100.0°C. What is…

A: Heat capacity is the amount of heat required to raise the temperature by one degree Celsius,…

Q: How much heat must a 22.0 g sample of water absorb to raise its temperature from 21.0 ∘C to 75.0 ∘C?

A: The specific heat can be defined as the amount of heat per unit mass that is needed to raise the…

Q: An unknown solid metal at 150 degrees celsius was placed in 1.00 L of water at 25 degrees celsius.…

A: Heat absorbed or emitted by a substance = mass of the substance x specific heat of the substance x…

Q: What quantity of heat is required to raise the temperature of 55.0 g of gold from 32 degree Celsius…

A: Heat required to raise the temperature of solids is given by  Q = mCΔT  where m = mass  C = specific…

Q: If 1495 J of heat is needed to raise the temperature of a 357 g sample of a metal from 55.0°C to…

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Q: What is the specific heat of a material when 55.2 g of it change temperature by 35.8 degrees C when…

A: Use the formula as : Amount of heat absorbs (q) = Mass of substance (w) x specific heat capacity of…

Q: How much heat must be added to a 8.21 g sample of gold to increase its temperature by 6.2 Celsius?…

A: Heat capacity is equal to the heat of 1g of substance when the temperature is raised by 1oC. q=mC∆T.…

Q: If 18.0 kJ of heat are given off when 2.1 g of HCl condenses from vapor to liquid, what is AHcond…

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Q: Calculate the heat necessary to increase temperature of a) 100. g of water b) 2.00 mol H2O(l) from…

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

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Q: An object that has a mass of 75 g is heated from 50°C to 93°C. If it takes 3000 J for the…

A: Given: Mass of object = 75 g Initial temperature = 50°C Final temperature = 93°C Heat required =…