Calculate the amount of heat needed to boil 87.1 g of acetic acid (HCH3CO2), beginning from a temperature of 56.6 C. Be sure your unit has a unit symbol and the correct number of significant digits.

Q: Mercury was once used in thermometers and barometers. When 69.7 J of heat are absorbed by 100.0 g of…

A: Given, Heat absorbed Q = 69.7 J change in temperature ΔT = 29.98 - 25 = 4.98 ℃ Mass m = 100 g

Q: Methanol, CH3OH, boils at 65°C. What is the enthalpy change during the process in which 16.0 g of…

A: Mass of liquid methanol    = 16 g specific heat of methanol  = 2.53Jg oC

Q: It took 412.5 J of heat to raise the temperature of 24.6 g of a substance from 14.5°C to 52.6°C.…

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Q: Calculate the heat capacity, in joules per degree, of 28.4 g of water. Specific heat of water is…

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Q: 5. How much heat must be,removed from 15.5 g of water at 90.0°C to cool it to 43.2°C? 30353

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Q: Calculate the amount of heat needed to boil 108. g of acetic acid (HCH,CO,), beginning from a…

A: Given data, Mass of acetic acid (m) = 108 g Begining temperature (T1) = 99.4 °C T1 = (99.4 + 273.15…

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: 2. A 125-g metal block at a temperature of 93.2 °C was immersed in 100. g of water at 18.3 °C. Given…

A: Temperature of metal (T1) = 93.2°C Mass of metal (m) = 125 g Temperature of water (T2) = 18.3°C Mass…

Q: A 70.0 gram metal bar is heated to 256 celsius then submerged into a well insulated calorimeter…

A: Given mass of metal bar Mb = 70g  Mass of water Mw = 50g  Complete solution is given below in next…

Q: A 31.1 g wafer of pure gold at 69.3 is submerged into 64.2 g of water at 27.8 in an insulated…

A: given: mass of gold = 31.3 g initial temperature of gold = 69.3oC mass of water = 64.2 g initial…

Q: Calculate the heat capacity, in joules and in calories per degree, of the following: (a) 28.4 g of…

A: Given, (a) 28.4 g of water (b) 1.00 oz of lead we are asked to calculate the heat capacity for…

Q: Determine the final temperature of a gold nugget (mass = 376 g) that starts at 398 K and loses 4.85…

A: Answer:- This question is answered by using the simple concept of calculation final temperature…

Q: What is the enthalpy change when 21.0 g of water is cooled from 34.0°C to 7.40°C?

A: Formula used  Q = mCdT  where Q = heat energy , m = mass of water C = heat capacity of water, dT =…

Q: Two 20.0 g ice cubes at −17.0 ∘C are placed into 245 g of water at 25.0 ∘C. Assuming no energy is…

A: Given,Mass of two ice cubes, mice = 2 * 20.0 g = 40.0gMass of water, mwater = 245 gInitial…

Q: Calculate the amount of heat needed to boil 12.3g of acetic acid (HCH3CO2), beginning from a…

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Q: An unknown substance with a mass of 45.12 absorbs 261.3 J of heat. Its temperature increases from…

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Q: A solution is made by mixing 228.0 mL228.0 mL of ethanol initially at 15.3 ∘C15.3 ∘C with 228.0…

A: Law of conservation of energy-    "Energy neither be created nor be destroyed,it can convert fro…

Q: How much heat is required to warm 1.60 kg of sand from 24.0 degree Celsius to 100.0 degree Celsius?

A: Given data is as follows:     The mass of the sand = 1.60 kg = 1600 g The initial temperature of the…

Q: How much heat is required to raise the temperature of 789g of liquid ammonia, form 25°C to 82.2°C?

A: Given: The mass of liquid ammonia is 789 g. The initial temperature is 25oC. The final temperature…

Q: Calculate the amount of heat needed to boil 184. g of acetic acid (HCH,CO,), beginning from a…

A: Let's assume that, the energy required to raise the temperature of acetic acid from its initial…

Q: During a reaction, the temperature of the solution in a coffee cup calorimeter increased by 8.6…

A: Heat of reaction (qreaction ) is given by the formula  q = ms(dT) where m = mass of sample s =…

Q: 4. A refrigerator is used to cool 4 litres of soft drink from room temperature (23 °C) to 4 °C. If…

A: Volume of soft drink = v = 4L Density of soft drink = 1015 kg/m3 Temperature initial = 23°C…

Q: 3 A- what is the enthal py change, in Joules, when 289grams Of water at 94°C is cooled to 62°C?…

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Q: A metal cylinder has a mass of 100.00 g is heated to 95.50 Degrees Celsius and then put in 245.5 g…

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Q: amount of heat required to raise 1 g of water 1°C    a. BTU b. calorie c. joule d. kJ

A: The mass of water in gram = 1 g The temperature of water  = 1oC

Q: What is the amount of heat energy in joules required to raise the temperature of 10.00 g water…

A: The required relation is given below.

Q: 5. A 85.75g sample of a clear liquid is cooled from 68.3° to 32.1°C when it loses 5850 Joules of…

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

Q: A solution is made by mixing 260.0 mL of ethanol initially at 15.5 °C with 260.0 mL of water…

A: Given volume ethanol =260.0 mLinitial temperature of ethanol =15.5 °Cdensity of ethanol =0.789…

Q: What is the heat generated/released when 60 g of copper (specific heat= 0.39 J/C) is cooled from 40…

A: Given, mass, m = 60 g specific heat, c = 0.39 J/g.°C temperature, ΔT =  40 - 30°C = 10°C The formula…

Q: A solution is made by mixing 244.0 mL of ethanol initially at 12.9 °C with 244.0 mL of water…

A: Heat energy absorbed by ethanol = Heat energy released by water Heat energy released /absorbed =…

Q: Two 20.0 g ice cubes at −10.0 ∘C are placed into 285 g of water at 25.0 ∘C. Assuming no energy is…

A: Mass of water = 285 g Temperature of water = 25˚C. Heat capacity of water = 75.3 JK-1mol-1 Heat lost…

Q: What is the specific heat for water between 0°C and 100.0°℃? a) 6010 J b) 7520 J c) 4.18 J/(g°C) d)…

A: Given, From heating curve, The heat absorbed between 0°C to 100°C (Q) = 7520 J moles of water (n) =…

Q: You want to quickly set up a temporary water bath in your lab with a volume of 10.0L and a…

A: Q = mc∆T Temperature of hot water = 55.20C Temperature of cold water = 220C Final temperature =…

Q: How much heat is absorbed by liquid water that weighs 550 grams as it is heated from 25C to 95C?

A: Given, mass of water m= 550 g T1=25 ℃  T2=95℃ Cp for water = 4.184 J g-1℃-1 heat q=?

Q: How much heat is gained by Aluminum when 52.2 g of Al is warmed from 20.3D defrees Celsius to 35.1…

A: Given, mass of Al (m) =52.2 gInitial temperature T1 =20.3°CFinal temperature T2 = 35.1°Cspecific…

Q: Substance Specific Heat, c (J/gx°C) Water 4.184 Granite 0.803 Mercury 0.140 Silver 0.235 Aluminum…

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Q: Use this value to calculate the mass of ice required to cool 325 mL of a beverage from room…

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Q: Calculate the amount of heat needed to boil 156. g of ethanol (CH,CH,OH), beginning from a…

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Q: Calculate the amount of heat needed to boil 97.5g of octane (C8H18), beginning from a temperature of…

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Q: A solution is made by mixing 287.0 mL287.0 mL of ethanol initially at 13.1 ∘C13.1⁢ ∘C with 287.0…

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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: Calculate the amount of heat needed to boil 47.7g of octane (C8H18), beginning from a temperature of…

A: The specific heat capacity for a given chemical species can be defined as the quantity of heat that…

Q: Calculate the amount of heat needed to boil 166.g of ethanol (CH3CH2OH), beginning from a…

A: Boiling point of ethanol is 78.37 °C.The change in temperature taking place is,

Q: Chlorofluorocarbons are commonly used as Freon in refrigerators and air conditioners. Cooling the…

A: The specific heat of liquid, (C1)= 0.91 J/g⋅K  or  0.91 J/g⋅0C. The specific heat of gas (C2) = 0.67…

Q: A particular sample of cold graphite at 10.20 °C was added to 988.5 g of water at 25.31 °C in a…

A: Graphite is a hexagonal two-dimensional structure. It is a good conductor of electricity and heat…

Q: Express in four decimal places. Express the quantity in the unit indicated and designate whether…

A: The heat (q) lost or gain can be calculated by the multiplication of mass (m), specific heat (c),…

Q: Calculate the amount of heat necessary to raise the temperature of 135.0 g of water from 50.4°F to…

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Q: Calculate the amount of heat needed to boil 193. g of octane (C3H13), beginning from a temperature…

A: The amount of heat needed for boiling of octane can be calculated by using following formula - Q = m…

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

A: Given data:  Mass of water = 162.5 g The initial temperature of water = 45.84 °C The final…

Q: TABLE 5.2 Specific Heat Values of Some Common Substances Substance Specific Heat (J/g °C) Substance…

A: