Calculate the amount of heat needed to raise the temperature of 2.34moles of pure liquid ethanol from -84.0 °C to 21.0 °C. (Ethanol melts at-117.3 °C)

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…

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Q: Mercury freezes at -40oC.  How many Joules of heat energy would you need to heat 2.0 g of Hg(l) from…

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Q: If 14.8 kJ of heat is given off when 1.6 g of HCl condenses from vapor to liquid, what is ΔHcond for…

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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: How much heat (in kJ) will be absorbed by a 51.5 g piece of aluminum (specific heat = 0.930 J/g °C)…

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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 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: How much heat, in kJ, will be absorbed by a 25.0 g piece of aluminum (specific heat = 0.930 J/g.°C)…

A: Mass of aluminium = 25.0 g Specific heat of the system(C) = 0.93 J/g 0C Initial temperature = 25 0C…

Q: A metal radiator is made from 14.0 kg of iron. The specific heat of iron is 0.449 J g °C. How much…

A: The mass of iron is = 14.0 g The specific heat of iron is = 0.449 J.g-1.oC-1 Increase in the…

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 96.7 g piece of aluminum (specific heat = 0.930 J/g･°C) as it…

A: Given: Mass of aluminum=96.7 g Temperature change, ∆T=(67.0-23.0)°C=44 °C The heat needed q =? J…

Q: In a coffee cup calorimeter, 15.0 g sample of nickel metal is heated to exactly100 °C and dropped…

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Q: 12. A 50.0 g block of glass (Specific Heat = 0.500 J/g°C) absorbs 333 joules of energy. How much…

A: Amount of heat released or absorbed can be given by the equation :  Q = m×s×∆T     ------(1) Where,…

Q: If 24.0 kJ of heat are given off when 2.7 g of HCl condenses from vapor to liquid, what is AHcond…

A: Given that: Heat ∆H = 24.0 kJ Mass of HCl = 2.7 g ∆Hcond = ?

Q: A 337.2 g sample of acetone gas with a temperature of 56.0°C is converted to a liquid with a…

A: Answer :- 182.1 kJ…

Q: What is the final temperature when 5.0 g sample of brass initially at 25 degrees celsius absorbs 75…

A: Heat  is defined as thermal energy transferred between two systems at different temperatures coming…

Q: 9. A piece of aluminum is heated to a temp of 71.8°C, then placed in 150.0 mL of water at 20.7°C…

A: Given data, For Aluminum, Cp =0.903 J g-1 ℃-1 mass m=? T1=71.8 ℃  T2=25.6 ℃

Q: An 6.11 g sample of calcium carbonate [CaCO 3 (S)] absorbs 84J of heat, upon which the temperature…

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Q: To treat a burn on his hand, a person decides to place an ice cube on the burned skin. The mass of…

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Q: 2080 J of energy are transferred into a 805.9-g chunk of copper (specific heat: 0.387 J/g K). By how…

A: Q = m . s . ∆T Where, Q = energy transfer in Joule ; m = mass of material in gram; s = specific heat…

Q: Calculate the total heat energy in joules needed to convert 20.0g of water from 30.0 c to -20.0c

A: q = mc∆T            m = mass  of water = 20.0 g             c = 4.184 J/g. oC…

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: In a coffee cup calorimeter, 15.0 g sample of nickel metal is heated to exactly 100 °C and dropped…

A:

Q: Determine the final temperature of a gold nugget (mass = 376 g) that starts at 288 K and loses 4.85…

A: Specific Heat Capacity of gold is =0.128 J/gc Initial temperature = T1 = 288K…

Q: If 15.0 kJ of heat are given off when 1.6 g of HCl condenses from vapor to liquid, what is AHcond…

A: The amount of heat given off is = 15.0 kJ The amount of HCl condensed from vapour to liquid is = 1.6…

Q: How much heat will be absorbed by a 65.9 g piece of aluminum (specific heat = 0.930 J/g･°C) as it…

A: Heat in kilojoules can be calculated using the specific heat capacity, temperature difference and…

Q: What quantity of heat (in kJ) will be absorbed by a 44.3 g piece of aluminum (specific heat = 0.930…

A:

Q: To treat a burn on his hand, a person decides to place an ice cube on the burned skin. The mass of…

A:

Q: Suppose that 26 g of each of the following substances is initially at 29.0 °C. What is the final…

A: Given: mass of substance = 26 g Initial temperature = 29°C Heat absorbed = 2.35 kJ  Standard data:…

Q: How much heat (in kJ) will be absorbed by a 50.3 g piece of aluminum (specific heat = 0.930 J/g•°C)…

A: We know that   heat energy is given by     q = m* C* ΔT Given that   Mass of Al = 50.3 g   specific…

Q: If 14.8 kJ of heat is given off when 1.6 g of HCl condenses from vapor to liquid, what is ∆Hcond for…

A: Given: Heat= 14.8 kJ Mass of HCl= 1.6g To find: ∆Hcond for the substance

Q: How much heat will be absorbed by a 59.9 g piece of aluminum (specific heat = 0.930 J/g･°C) as it…

A:

Q: How much heat is required to warm 100.0 g water from 31.8 degrees Celcius to 67.5 degrees Celcius?…

A: The heat required is calculated as,

Q: 8. If 100. J of heat energy are applied to a 25 g sample of mercury, by how many degrees will the…

A: Given is  Heat supplied (q) = 100 J Mass of sample (m) = 25 g Specific heat of mercury (c) = 0.14…

Q: How much heat (in kJ) will be absorbed by a 50.3 g piece of aluminum (specific heat = 0.930 J/g･°C)…

A: Since ,  Q = m c ∆ T                    where ,                                   Q = Heat…

Q: How much heat will be absorbed by a 42.3 g piece of aluminum (specific heat = 0.930 J/g･°C) as it…

A:

Q: Suppose that 25 g of  substance is initially at 27.0°C. What is the final temperature of each…

A: Step : 1             What is the final temperature of gold upon absorbing 2.35 kJ of heat?

Q: Ices] A 21.0 g sample of pure iron at 85 °C is dropped into 66 g of water at 20. °C. What is the…

A: The given problem can be solved by using the formula given below as; mironCiron∆T = mwaterCwater∆T…

Q: How much heat will be absorbed by a 35.5 g piece of aluminum (specific heat = 0.930 J/g•°C) as it…

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

A:

Q: A 25.0 g sample of lead, specific heat = 0.128 J/g  degrees Celcius , was warmed from 35.0 derees…

A: Heat absorbed by lead is calculated as follows,

Q: A 100.0 g sample of copper is heated to 86.1 oC then allowed to cool. What is the final temperature…

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

Q: 25.0

A: We will use heat energy formula

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

A:

Q: When a 43.0 g sample of metal at 100.0 °C is added to 38.0 g of water at 23.72 °C, the final…

A: The amount of heat energy  is related to specific heat capacity as,…

Q: The specific heat capacity of silver is 0.24 J/g·°C. How many joules of energy are needed to warm…

A: Heat capacity is a physical property of a substance which is defined as the amount of energy that…

Q: A 55 kg block of metal has an original temperature of 15.0°C and 0.45 J/g°C. What will be the final…

A: m = 55 kg = 55000 g  Ti = 15°C  c = 0.45 J/g.°C q = 450 J  Tf = ?

Q: How much energy is evolved as heat when 0.1 L of water at 0 degrees celcius solidifies to ice. (The…

A: The density of water at 0oC is 0.99987 g/mL. The mass of 0.1 L of water at 0oC is; 1.0 L=1000.0…

Q: The final temperature of a gold nugget (mass=376g) that starts at 288 K and loses 4.85 kJ of heat to…

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