84. A lead fishing weight with a mass of 57 g absorbs 146 cal of heat. If its initial temperature is 47 °C, what is its final temperature?

Q: How much heat is required to warm 1.50 L of water from 25.0 °C to 100.0 °C? (Assume a density of 1.0…

A:

Q: A backpacker wants to carry enough fuel to heat 2.0kg of water from 25 degrees C to 100.0 degrees C.…

A: Given,Mass of water = 2.0kgInitial temperature = 25 degree CelsiusFinal temperature = 100 degree…

Q: How many calories of energy does it take to heat a 115.2mL sample of water from 11.0° C to 88.0° C?

A: Since the heat required to heat the water (liquid state) is given by  Q = mC ΔT where  ΔT = change…

Q: If 20.0 g of copper cools from 35.0°C to 32.8°C and loses 38.6 Joules of heat, what is the specific…

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Q: cal was 69.8°C. c heat of the unknown

A: Given,  Mass of metal =15.963 g Mass of water = 60 g Intial temperature of water = 24.9 °c Intial…

Q: How many joules are required to heat 75 grams of water from -85 ˚C to 185˚C?

A: Energy that required to heat water is calculated using the given formula,

Q: The initial temperature of a 22-g sample of copper is 25°C. If the sample absorbs 236 J of heat,…

A: Provided initial temperature of copper(T1) =25°C Let final temperature of copper=T2 Absorbed heat…

Q: 46 g of aluminum from 32 degrees celsius to 55 degrees celsius. What is the heat in cal?

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Q: A 57.3 g sample metal with a specific heat of 0.421 J/g °C is heated using 1393 J of energy. By what…

A: The amount of heat (Q) absorbed or lost by the body to raise or decline the temperature of the body…

Q: If 89 J of heat are added to a pure gold coin with a mass of12 g, what is its temperature change?

A: Given that: Amount of heat is given (Q) = 89 J                     Mass of gold (m) = 12 g To find:…

Q: 83. Calculate the temperature change that occurs when 248 cal of heat are added to 24 g of water.

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

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: 97. How much heat in kilojoules is required to heat 56 L of water from an initial temperature of 85…

A: Volume of water, V = 56 L or 56000 mL Density of water, ρ = 1 g/mL Determine the mass of water, m –…

Q: 79. If 89 J of heat are added to a pure gold coin with a mass of 12 g, what is its temperature…

A: Specific heat of gold, s = 0.13 J/g°C Heat, q = msΔT        89 = 12 x 0.13 ΔT       ΔT = +57.05°C…

Q: In a calorimetry experiment, a 49.4 g piece of metal at 118. °C is put into a cup of cool water that…

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

Q: Please help me

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

Q: If 335 g of water at 65.5°C loses 9750 J of heat, what is the final temperatureof the water?

A: Given: The mass of water(m)=335 g Heat lost by water(Q)=-9750 J(heat released by the system is taken…

Q: 81. An iron nail with a mass of 12 g absorbs 15 J of heat. If the nail was initially at 28 °C, what…

A: Given data mass of iron nail : m = 12 g heat absorbed : Q = 15 J Initial temperature : T1=28°C…

Q: How much heat is required to warm 1.70 L of water from 30.0 °C to 100.0°C? (Assume a density of 1.0…

A: Given  Density of water  =  1 gram/mL  Volume of water  = 1.70 Liter                               =…

Q: Calculate the energy needed to heat the cube of silver, with a volume of 10.0 cm, from 18 °C to 26 "…

A: Given : Volume of silver cube = 10.0 cm3 = 10.0 mL                                   (since 1 cm3 =…

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: How many grams of sugar Are needed to release 49,000 J of heat?

A: To determine the gram of sugar needed to release 49000 j of heat.

Q: If 2500 cal of heat are absorbed by 150 grams of water that is initially at 23°C, what is the…

A: Given, mass of water = 150 g  Initial Temperature , Ti = 23°C  Tf = ?  Heat absorbed = 2500 Cal

Q: An iron nail with a mass of 12g absorbs 17 J of heat. If the nail was initially at 30 °C, what is…

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Q: 1.14E1 ounces of water are heated during the preparation of a cup of coffee. 1.179E3 J of heat are…

A: Solving only first question in accordance with the guidelines.

Q: A 63.3 g sample metal with a specific heat of 0.368 J/g°C is heated using 1873 J of energy. By what…

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Q: How many joules are required to heat 65g of water from 12 degrees celsius to 76 degrees celsius?

A: The specific heat of water, i.e., the heat required to raise the temperature of 1 g of water by one…

Q: We heat a 25-g sample of metal from 10 °C to 85 °C, 1082 J of energy is added to it by heat.…

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Q: When 417 J of heat are added to 35.0 g of vinegar at 27 degrees Celcius, the temperature increases…

A: Specific heat is the amount of heat needed for one gram of a substance to increase its temperature…

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

A: Given: q=435 J of heat absorbed by the substance.m=3.4g of olive oil To Solve: Specific heat…

Q: The temperature of a sample of water changes from 10°C to 20°C when the water absorbs 100 calories…

A: In this question, we want to calculate the mass of the sample.  How we can calculate, I will give…

Q: The initial temperature of a 12g sample of copper is 25 C.  If the sample absorbs 226J of heat, what…

A: Given: Heat absorbs = 226 J Heat capacity of copper = 0.385 J/g⋅∘C Mass of copper = 12 g Initial…

Q: Heat produced by combustion of a 3.000 g food sample was –9643J. How much heat, in Joules, was…

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Q: A piece of metal weighing 59.6 g with a specific heat of 0.59 Jg1°C-! at 1197.5 °C is dunked into a…

A: When the hot metal is dunked into the water, the heat is released by the metal and the equal heat is…

Q: A 49 kg sample of water absorbs 358 kJ of heat. If the water was initially at 28.4 ∘C, what is its…

A: The final temperature is calculated using the given formula,

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: How much heat, in units of Joules, is needed to warm 647.2 g of copper from 40 °C to 82 °C? The…

A: q = mc∆T q = heat  m = mass of copper  c = specific heat of copper  ∆T = change in temperature

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

A:

Q: A backpacker wants to carry enough fuel to heat 2.4kg of water from 25 C to 100.0 C. If the fuel he…

A: Given: Mass of water= 2.4 kg Initial temperature= 25 C Final temperature= 100.0 C

Q: Determine the mass of a sample of silver if 705J of heat are required to raise its temperature from…

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Q: How many joules of energy are needed to heat 7g of water from 105.0 C to 110.0 C?

A: With the help of the specific heat capacity of a substance,  mass and temperature change conversion…

Q: Question 98

A: The specific heat capacity of Aluminium is 0.9 J/gm K And since the temperature in K is given by…

Q: Calculate the amount of heat required to raise the temperature of 245.0 gg (approximately 1 cup) of…

A: Given data,

Q: A)   An iron nail with a mass of 12 gg absorbs 15 J of heat. If the nail was initially at 30 ∘C,…

A:

Q: How many joules of heat are required to heat 65 g lead from 22.0°C to 98.5°C?

A: The given mass of lead is 65 g. The specific heat of lead is 0.128 J/g °C. The given temperature…

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

A: In exothermic reaction, there is release 9f heat energy during reaction.

Q: 9. You combine some coffee (at 96.5°C) and 18.5 mL of milk (at 4.3°C), and the final temperature is…

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Q: The initial temperature of a 12-g sample of copper is 25 °C. If the sample absorbs 226 J of heat,…

A: Mass of Copper =M= 12 gInitial Temperature of copper = Ti = 25°CHeat absorbs =q = 226 JSpecific heat…

Q: What is the specific heat of an unknown matter if a 20.00 kg of it released 300000.0 J of heat to…

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d-Block Elements

According to the modern form of periodic table, 118 elements are present which are subdivided as four blocks, namely, s, p, d and f-block elements based on the entry of the valence electron or last electron into which orbital.