When 2 kg of water vapor cools to a temperature of 373 K, the value of q=-930 KJ. If the specific heat of water vapor is 1.86 J/g degrees celsius, what is the initial temperature of water vapor in degrees celsius?

Q: If 89 J of heat is added to a pure gold coin with a mass of 20 g. what is the temperature change?…

A: Given question of values = -gold coin mass =20gm . Represent of mass = m  -specific heat capacity of…

Q: A 45-g aluminum spoon (specific heat 0.88 J/g °C) at 24 °C is placed in 180 mL (180 g) of coffee at…

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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: A 126 g piece of metal is heated to 2.80x102 °C and dropped into 87.0 g of water at 26.0 °C Part A…

A: Given : Mass of water = 87.0 g Mass of metal = 126 g Initial temperature of water = 26.0 oC Final…

Q: Water (2430 g ) is heated until it just begins to boil. If the water absorbs 5.85×105 J of heat in…

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

Q: How much heat energy must be added in order to warm 1.00 grams of liquid mercury in a thermometer…

A: give information are- final temperature = Tf = 29°C initial temperature = Ti =10°C mass = m = 1 gm.…

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: A chemist carefully measures the amount of heat needed to raise the temperature of a 385.0 g sample…

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Q: A 24.817 gram sample of water with specific heat of 4.184 J/g0C changes temperature from 25.00 0C to…

A: Given :-  Mass of water = m = 24.817 g Initial temperature of water = Ti = 25.00 °C  Final…

Q: How much heat, in units of Joules, is needed to warm 667.7 g of copper from 17 °C to 59 °C? The…

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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: Suppose that 311 mL of water changes in temperature from 21.54°C to 45.71°C. What is qrxn in joules?…

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Q: An amount of food is burned and releases 3600.0 of calories of energy. What mass of water can be…

A: The energy released by the burning of the food is = 3600.0 calories The change in the temperature of…

Q: The specific heat of a certain type of cooking oil is 1.75 cal/(g ·°C). How much heat energy is…

A: To raise the temperature by 1∘ Celsius of a particular substance then for this a certain amount of…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 749.0 mg sample…

A: Given: The mass of the sample = 749.0 mg The initial temperature of the sample = -3.1 oC The final…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 282.0 g sample…

A: We know that , amount of heat (Q) -  Q = m.s.∆t

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 748.0 mg sample…

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Q: What is the mass of a piece of iron that releases 134.60 joules of heat as it cools from 93.13…

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Q: A piece of metal with a specific heat of 0.57 J g-1°C-1 at 1188 °C is dunked into a beaker…

A: Given,  Mass of water = Volume × density      = 369.7 × 1 = 369.7 g Heat capacity of metal(sm) =…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.08 kg sample…

A: Amount of heat energy is required to raise the temperature of 1 g substance by 1° C is called…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 126.0 g sample…

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

Q: What is the specific heat of an object that weighs 15 grams and changes temperature from 30 degrees…

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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: What is the mass of a piece of iron that releases 212.32 joules of heat as it cools from 89.65…

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Q: A typical recipe for a hot toddy (a drink often used as a cold remedy) is to mix hot water…

A: The amount of energy absorbed by 16 oz. of water is 33 kcal. The amount of hot water mixed with 1.5…

Q: Suppose that 162 mL of water changes in temperature from 68.36°C to 76.34°C. What is qxn in joules?…

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 339.0 g sample…

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

Q: Suppose that 142 mL of water changes in temperature from 55.39°C to 58.68°C. What is qrxn in (Assume…

A: qrxn = -(4.812 kJ/ degree Celsius) (1.85 degree Celsius) = - 8.90 KJ per. Q= transfer of energy in…

Q: Specific Heat Mass of metal 42.156 g Mass of cups and water 60.082 g Mass of cups 10.811 g Mass of…

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Q: What is the specific heat capacity of iron (in J/(g°C)), if 51.5 J is required to raise the…

A: We will calculate specific heat

Q: 1.Neon, a gaseous element used in neon signs, has a melting point of -248.6 °C and a boiling point…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

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: 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 heat are required to heat 125 g aluminum from 19 degrees C to 95.5 degrees C?

A: Given information:Mass of aluminum = 125 gInitial temperature = 19 ˚CFinal temperature = 95.5…

Q: A hot tub is filled with 570 gal of watera. What is the volume of water, in liters, in the tub?b.…

A: a.The volume of water in liters is given by

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 446.0 mg sample…

A: Given, mass of a sample,m = 446.0 mg = 446.0×10-3 g The temperature rise from T1 = -3.8 oC  T2 =…

Q: Enter your answer in the provided box. A 244-g aluminum engine part at an initial temperature of…

A: 16. Given information,    Mass of Al engine part = 244 g    Initial temperature = 11.19 0C = 284.19…

Q: 1. A hot tub is filled with 570 gal of water a. What is the volume of water, in liters, in the tub?…

A: (a)Volume of water (in Liters) is calculated as follows,

Q: The specific heat capacity of liquid bromine is 0.226 J/g-°C. How much heat (in Joules) is required…

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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: The freezing point of mercury is -38.8 °C. What quantity of energy, in joules, is released to the…

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Q: A975.7J of heat was applied to raise the temperature of a beaker of water from 47.0 oC to 63.0 oC.…

A: The relationship between quantity of heat ( Q ) , mass of water ( m ) , specific heat capacity of…

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

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Q: If the specific heat of a ceramic cup is 0.583 J/(g °C), how much heat (in J) is required to raise…

A: To calculate heat energy, we have to use the formula : Q = m*s*Δt        ------(1) where, Q is heat…

Q: If 57 J of heat is added to an aluminum can with a mass of 25.0 g, what is the temperature change?…

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Q: How many Joules of energy are required to heat a 67.5 gram piece of tin (cp = 0.22 J/g⋅⋅oC) from…

A: Given: Mass of tin = 67.5 g Initial temperature of tin = 20.0 oC Final temperature of tin = 30.0 oC…

Q: Suppose that 880 mL of water changes in temperature from 20.20°C to 31.3°C. What is qwater in kJ?…

A: Interpretation: The heat gained (qwater) by water is to be calculated. Concept Introduction: Heat…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 399.0 g sample…

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 191.0 g sample…

A: Thermochemistry is branch of chemistry in which we deal with amount of heat evolved or absorbed by…