How much energy as heat is required to raise the temperature of 50.00 mL of water from 25.50 °C to 28.65 °C? (Density of water at this temperature is 0.997 g/mL. The specific heat capacity of liquid water is 4.184 J/g ⋅ K.)

Q: How much energy as heat is required to raise the temperature of 50.00 mL of water from 25.04 °C to…

A: Given: Density of water at this temperature is 0.997 g/mL The specific heat capacity of liquid water…

Q: Calculate the amount of heat (in kJ) required to raise the temperature of 1.65 lb of water from 294K…

A: Given : Initial temperature =  294K Final temperature =  303K Mass of water = 1.65lb

Q: A 28.5 g piece of gold is heated and then allowed to cool. What is the change in temperature (°C) if…

A: Q.  Given Gold (Au ) sample m = 28.5 g (given mass of gold ) Qr = - 0.157 kJ = -157 J (Heat released…

Q: How much energy is gained by copper when 48.7 g of copper is warmed from 10.2 °C to 67.0 °C? The…

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Q: If 1495 J of heat is needed to raise the temperature of a 375 g sample of a metal from 55.0°C to…

A: Heat taken of given = m.s.∆T

Q: A 237-g piece of aluminum, initially at 100.0 °C, is dropped into 244 g of water at 10.0 °C. When…

A: The specific heat capacity for a given chemical substance or a solution has been defined as the…

Q: How much energy is absorbed by a 2.5 g substance that has a specific heat capacity of 0.58 J/g ·°C…

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Q: When 110. g of water at a temperature of 22.3 °C is mixed with 65.9 g of water at an unknown…

A: The final temperature is achieved at equilibrium. According to law of conservation of energy, the…

Q: Calculate the energy needed to raise the temperature of180.0 g of water from 10C to40C. The…

A: The question is based on the concept of chemical thermodynamics. it involves amount of heat required…

Q: If 1495 J of heat is needed to raise the temperature of a 317 g sample of a metal from 55.0°C to…

A: The specific heat capacity is given as,

Q: neat re

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Q: he specific heat of a certain type of cooking oil is 0.418 cal/(g·°C). How much heat energy is…

A: Mass of oil = 0.992 kg Initial temperature = 23 ◦C Final temperature = 60 ◦C Specific heat = 0.418…

Q: A 13.8 g piece of nickel was heated to 97.5 °C in boiling water and then dropped into a beaker…

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Q: A 50.0 g sample of liquid water at 25 °C is mixed with 44.7 g of water at 45.0 °C. What is the final…

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Q: 50.0 grams of metal is heated to 100.0 C and then placed into a calorimeter containing 150 g of…

A: The specific heat capacity of the substance is the amount of heat energy required to raise the…

Q: An experiment was conducted to determine the specific heat of platinum.  It was determined that…

A: Heat required to raise the temperature = 158.8 Joules. Mass of a sample = 50.0 g  Initial…

Q: How many milliliters of water at 23 °C with a density of 1.00 g/mL must be mixed with 180 mL (about…

A: The heat transferred by a substance is determined as the equation:

Q: calculate the amount of heat (in J) necessary to raise the temperature of 23.9 g benzene by 27.0 °C.…

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Q: A 148.9-g sample of a metal at 74.0°C is added to 148.9 g H20 at 14.4°C. The temperature of the…

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Q: A 1.61−g peanut is burned in a bomb calorimeter containing 1,000 g of water. The temperature of the…

A: Heat given = heat taken Heat absorbed by water (Q) = m . s . (T2-T1) Given that: m = mass of water =…

Q: thermal energy

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Q: When 46.0 g of an unknown metal at 28.5°C is placed in 94.0 g H2O at 78.5°C, the water temperature…

A: Given For unknown metals mass of unknown metal (mmetal) = 46.0 g Initial temperature of metal (Ti) =…

Q: A piece of unknown metal with a mass of 22.03 g is heated in boiling water to 90.34°C and then…

A: Given;

Q: We submerge a 25.0 g block of an unknown metal, initially at 97.8 °C, into 25.0 g of water initially…

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Q: A 56.43 g sample of iron (with a heat capacity of 0.450 J/g·°C) is heated to 100.0 °C. It is then…

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Q: A 25.0 g block of copper (specific heat capacity 0.380 J/g °C) at 99.4 °C is placed into 500.0 g of…

A: Q = m . s . ΔT Where, Q = heat absorbed or evolved; m = mass of substance; s = specific heat of…

Q: Calculate the heat (q) for 195 grams of pure water heated from a temperature of 25.0 °C to 77.5 °C.…

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Q: coffee-cup calorimeter is filled with 150.0 mL of water at 22.1 °C. A piece of metal at 121.4 °C…

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Q: A sample of silver metal is heated to 100.1 °C in a hot water bath until thermal equilibrium is…

A: Given that: mass of water = 52.483 g initial temperature of metal  = 100.1 °C final temperature of…

Q: A 15.0-mL sample of benzene at 21.0 °C was cooled to its melting point, 5.5 °C, and then frozen. How…

A: Calculate the mass of benzene from density,

Q: The specific heat capacity of copper metal is 0.385 J/g · K. How much energy is required to heat 205…

A: The energy required to heat a solid metal is given by  Q = mCΔT  where m = mass of metal  C =…

Q: How many milliliters of water at 31 °C with a density of 1.00 g/mL must be mixed with 95.0 mL (about…

A: Given: Initial temperature of water=31 degree celciusdensity =1.00g/mlvolume of coffee(m2)=95…

Q: A student mixes 67.0 mL of a 2.01 M sodium hydroxide solution with 22.4 mL of 6.45 M hydrochloric g…

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Q: hot lump of 25.4 g of aluminum at an initial temperature of 83.0 °C is placed in 50.0 mL H2O…

A: This concept is based on principle of calorimetry in this concept heat given by system and heat lose…

Q: When 12.29 g of finely divided brass at 95.0 °C is quickly stirred into 40.00 g of water at 22.0 °C,…

A: Given, Mass of brass= 12.29 g Temperature = 95.0°C Mass of water = 40.00 g the temperature of water…

Q: A 350.0 g iron pot is heated on a stove for a period of time until it is hot. The stove is turned…

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Q: If 50.0 g of water change in temperature from 22.5 to 25.4 deg C and the specific heat capacity of…

A: Amount of heat required is given by, q =m.c.∆T where q is the heat required, m is the mass, c is the…

Q: How much will the temperature of a cup (180 g) of coffee at 95 °C be reduced when a 45 g silver…

A: The heat lost by the coffee cup is gained by silver spoon.This relationship can be written as shown…

Q: A piece of lead (mass = 2.85 g) at 10.3 C is placed in a Styrofoam coffee cup containing 7.55 mL of…

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Q: The initial temperature of a 415 g sample of iron is 10.6 °C. If the sample absorbs 2.64 kJ of…

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Q: In the laboratory a student determines the specific heat of a metal. He heats 18.4 grams of…

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