bon disulfide, CS2, is a volatile, flammable liquid. It has a vapor pressure of 340. his substance? ter your answer to three significant figures.) it of vaporization = kJ/mol

Q: What is specific heat ? O The study of heat changes that accompany chemical reactions and phase…

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Q: How much heat (in J) is required to warm 1.97 grams of substance G (specific heat capacity 0.850…

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Q: For many years drinking water has been cooled in hot climates by evaporating it from the surfaces of…

A: The heat released (q) in the evaporation of the given amount of water can be calculated by…

Q: 10.0g of ice at 0.00*C is mixed with 25.0 g of water at 35.00*C in a calorimeter. What is the final…

A: Here we need to calculate Tf means final temperature. msample= 10.0g  c is the specific heat of…

Q: About how long would it take hydrogen cyanide gas (HCN) to travel 10.0 meters at 25.0°C, when its…

A: Since we know that kinetic energy is given by  KE = MV2 / 2 where M = mass and V = velocity Since…

Q: Calculate the heat released, in Joules, when cooling a 350.0 g of aluminum bar from 70.0 degrees to…

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Q: How many grams of water can be cooled from 32 C to 19 C by the evaporation of 42 g of water? (The…

A: Given, The evaporation of water = 42 g. The heat of vaporization of water = 2.4 kJ/g. The specific…

Q: To heat 100. g of solid aluminum, Al, from 25.0 oC to 150.0C requires ___ kJ of heat.The heat…

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Q: How much heat (in kJ) is needed when 133.43 g of water warms and boils from 33.45°C to 100°C?

A: The mass of the water sample is = 133.43 g The initial temperature of the water is = 33.45oC The…

Q: mass

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Q: Naphthalene is the main ingredient in mothballs and gives mothballs their characteristic smell.…

A: Sublimation is the process of changing the phase of a substance directly from solid to gas. The…

Q: 120 grams of ethanol are cooled from 90.0°C to 73.4° C. What is the heat change (in Joules)?…

A: Given data : Mass of ethanol = 120 g Ethanol heat of vaporization  ΔH(vap) = 38.6 kJ/mol = 38600…

Q: Lead has a heat of fusion of 23.140 J/g, along with a specific heat of o.12928 J/(g °C) in its solid…

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Q: The specific heat of lead is 0.13 J/g oC.  How many joules of heat would be required to raise the…

A: Given, Specific heat of lead (Cp) = 0.13 J/goC. Mass of lead (m) = 35g Initial temperature (T1) = 22…

Q: Calculate the amount of heat needed to met 77,0 g of sold ethanol (CH,CH,OH) and bring it to a…

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Q: How much heat is required to convert solid ice with a mass of 960 g at a temperature of -10.0 °C to…

A: Heat in kilojoules can be calculated using the specific heat capacity, temperature difference and…

Q: A 337.2 g sample of acetone gas with a temperature of 56.0°C is converted to a liquid with a…

A: Answer :- 182.1 kJ…

Q: You add 50.0 g of ice initially at ‒20.0 °C to 1.00 x 102 mL warm water at 67.0 °C. When all the ice…

A: Answer: Given that

Q: An eager scientist on a hot summer day needs to determine how much ice to buy. She has a cooler…

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

Q: What would be the final temperature if 55.0g of H2O at 30 degrees C is added to 45.0g of H2O at 95…

A: The amount of energy for a particular amount of matter present at specific temperature with specific…

Q: If 9000.0J of heat are absorbed by 800.0 g of water at 5.0 degree C, what will be its final…

A: Given,  If 9000.0J of heat are absorbed by 800.0 g of water at 5.0  °C, the final temperature of…

Q: The heat of fusion for water is 80. Cal/g. How many calories of heat are released when 20.0 g of…

A: Given: Mass of water = 20 g The heat of fusion for water = 80 cal/g

Q: How many joules of heat are absorbed when 1000g of water is heated from 18oC to 85oC? The specific…

A: We have to find how many joules of heat are absorbed when 1000g of water is heated from 18oC to…

Q: How many kJ of heat are needed to raise the temperature of 10.0kg of liquid water from 24 6 °C to 46…

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Q: A 25.0 g sample of molten iron releases 1230 cal as it cools from 2000 °C to its freezing point,…

A: Iron at 20000C is in its molten state.

Q: 20.0 g of a solid substance X initially at 25.0 °C is heat to its melting point at 65.0 °C. Heat is…

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Q: How many grams of water can be cooled from 39 °C to 19 °C by the evaporation of 44 g of water? (The…

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Q: How many joules of heat are required to heat 68 g of lead from 20.4 oC to 74.8 oC?

A: Given, Mass of lead = 68g. Initial temperature = 20.40C. Final temperature = 74.80C.

Q: What is the total heat flow if 40 grams of steam at 143°C is cooled to become water at 34°C? The…

A: mass = 40g  specific heat of steam is 2.0 J/g • °C   specific heat of water is 4.18 J/g • °C heat of…

Q: 4. You tried to read the thermometer when your solution containing the unknown began to freeze but…

A: When you remelted the solidifying mass, you observed a lower freezing point for the…

Q: The specific heat capacity of water is 4.184 J/(g x degrees C). What temperature rise would you…

A: The specific heat of water is 4.184 J/g  C. The weight of water is 575 g. the value of q is 945 kJ.…

Q: How many grams of water would require 2,247 joules of heat to raise its temperature from 36.86 °C to…

A: Solution - According to the question - Given - Given the heat of water = 2,247 joules change in…

Q: How much heat is required to convert solid ice with a mass of 930 g at a temperature of -10.0 °C to…

A: The specific heat capacity for a given chemical substance or a solution refers to the amount of the…

Q: How much heat is required to convert solid ice with a mass of 685 g at a temperature of -11.0 °C to…

A: Given data: