Mercury was once used in thermometers and barometers. When 69.7 J of heat are absorbed by 100.0 g of mercury at 25.00ºC, the temperature increases to 29.98ºC. What is the specific heat of mercury?

Q: When one mole of C6H6 is burned, 3.27 MJ of heat is produced. When the heat from burning 5.27 g is…

A: Given: 3.27 MJ = 3270000 J molar mass of C6H6 = 78.11 gm/mol that mean 78.11 gm C6H6 = 1 mole then…

Q: Express the quantity in the unit indicated and designate whether this heat is gained or lost by the…

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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: 24.0 g of metal at 78.3°C is cooled to 12.4°C and produces 194 J of heat. What is the specific heat…

A: Mass of substance M = 24.0 g  Initial temperature = 78.3 °C  Final temperature = 12.4°C  Heat…

Q: When 481 J of energy is added to 18.3 g of aluminum at 17.4°C, the temperature increases to 46.6°C.…

A: the heat capacity for aluminium is :

Q: A piece of unknown solid substance weighs 437.2 g, and requires 8460 J to increase its temperature…

A: In this question, we want to determine the specific heat of the unknown substance.  You can see…

Q: How much heat must be applied to a 40.2g sample of gold (s=0.129 J(g∙℃)) in order to raise its…

A: Given information:Mass of gold = 40.2 gInitial temperature = 28.2 ˚CFinal temperature = 351.5…

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: 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: An unknown solid substance weighs 227.0 g, and requires 3460 J to increase its temperature from…

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Q: 5. If 769J of heat is absorbed when 50g of iodine is heated from 70°C to 95°C, then what is the…

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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: 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: Suppose that 3,248 J of heat is removed from 86.5 grams of octane at an initial temperature of…

A: Since the heat of any process at constant pressure is given by  Q = mCΔT  where Q = heat given =…

Q: "Mercury was once used in thermometers and barome-ters. When 46.9 J of heat are absorbed by 100.0 g…

A: To calculate the specific heat of mercury By using the formula,     Q = mC∆T C = specific heat…

Q: A piece of a metal of a mass 4.68g absorbs 256J of heat when its temperature increases by 182C. What…

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Q: N2(g) + 3 H2(g) → 2 NH3(g);  ΔH = −91.8 kJ How much heat is released when 1.521 ✕ 104 grams of…

A: Step 1: Here, for the given process, the heat released in formation of 2 moles of ammonia is given…

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: What is the specific heat of lead if it takes 98.0 J to raise the temperature of a 75.4 g block by…

A: Given :- heat absorb = 98.0 J  mass of lead block = 75.4 g  change in temperature of block = 10.5°C…

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: If we add 30.0 J of heat to 10.0 grams of aluminum, by how much will its temperature increase? The…

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Q: 5. Phosphorus trichloride, PCI3, is a compound used in the manufacture of pesticides and gasoline…

A: The relationship between heat energy , mass of substance and change in temperature is  Q = mC∆T  Q =…

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

A: The amount of heat required to raise the temperature of a substance by one degree Celsius is called…

Q: In the laboratory a student finds that it takes 19.7 Joules to increase the temperature of 10.3…

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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: 10. Brass is an alloy made from copper and zinc. A 590.0 g brass candlestick has an initial…

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Q: 79.8 grams of a metal that is at temperature 92.39 oC is placed in 186.3 mL of water at 19.79 oC.…

A: Here use thermal equilibrium concept. Here final temperature is 24.68 degree celcius, So metal…

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 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: 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: A sample of water with a mass of 764.1g undergoes a temperature change from 41.23oC to 20.82oC. What…

A: Given : Mass of sample = 764.1 g Initial temperature = 41.23oC  Final temperature =20.82oC.

Q: A 250.0 g metal bar requires 5.866 kJ to change its temperature from 22 o C to 100.0 o C. What is…

A: The heat required (Q) to raise the temperature of any substance of mass m can be expressed as…

Q: When 745 J of energy in the form of heat is transferred from the environment to a gas, the expansion…

A: According to first law of thermodynamics dU = dQ + dW Where dU is change in internal energy, dQ 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: A sample of copper with a specific heat of 0.385 J goC is heated from 45.6 oC to 80.7 oC. What is…

A: Answer: The mass of the copper sample is 60.4 g.

Q: An unknown hot metal at 122.41°C with a mass of 53.37g was mixed with 28.15g of water at an initial…

A: We have to calculate the  specific heat of the unknown metal.

Q: A bucket full of water increased in temperature from 25.0 oC to 27.28 oC after absorbing 1,982.32…

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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: It takes 55.0 JJ to raise the temperature of an 11.9 gg piece of unknown metal from 13.0∘C∘C to 24.3…

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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: The specific heat of a certain type of metal is 0.149 J/g°C. What is the final temperature of 367 J…

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Q: An unknown hot metal at 107.03°C with a mass of 48.67g was mixed with 37.99g of water at an initial…

A: Given data contains, Mass of unknown metal , mm= 48.67 gInitial temperature , Tim= 107.03°CMass of…

Q: How much heat is required, in calories, to raise the temperature of 57.8 g of silver from 17.0C to…

A: Mass of silver (m) = 57.8 g Initial temperature (T1) = 17.0°C Final temperature (T2) = 43.5°C…

Q: A 31.6 gram lead ball at 25.0 °C was heated with 56.3 joules of heat. What is the final temperature…

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Q: Combustion of hexane, c6h12, to carbon dioxide gas and water, releases 3923.9 KJ of heat. What is…

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Q: 30.0 g of a substance (molar mass: 46 g/mol) required 262 J of heat to raise its temperature from…

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Q: When 7.59 grams of ice at space minus 20 C have absorbed 2500 calories of heat, what is the…

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