the freezing point in Kelvin and degree fahrenheit

Q: A sample of water is cooled from 45 degrees Celsius to 25 degrees Celsius by the removal of 20…

A: Since the heat involved in the process of cooling or heating is given by Q = mCΔT where Q = heat…

Q: 1. How much heat is needed to raise the temperature of 125.0 grams of water by 12.0 °c? C AT

A: Q = M*C*∆T  Q = heat absorbed. M = mass of the sample. 125g C = specific heat. 4.18 ∆T = change in…

Q: Water has a heat of fusion  at 80.0 cal per gram. If I have 4.14 g of ice at its melting point how…

A: Heat of fusion is 80 cal/g. We have 4.14 g of ice at 0°C. We have to calculate the heat required to…

Q: How many joules are given off when 120 gram of water are cooled from 25 Celsius to -25 Celsius?

A: Heat capacity is defined as the amount of heat energy is required by 1 gram of a substance (matter)…

Q: Ethanol melts at -144°C and boils at 78°C at a constant pressure of 1atm. What state of matter must…

A: The boiling point of a substance is the temperature at which the vapor pressure of the liquid equals…

Q: Calculate the quantity of heat required to raise the temperature of 60.0 g of water from 22.1 °C to…

A: Specific heat capacity is amount of heat capacity is required to raise temprature of one gram…

Q: The specific heat of urea is 1.339J/g C. If one adds 60.0 J of heat to 10.0 g of urea at 20 C, what…

A: The mathematical relation that relates the added heat and temperature change is: Q=mc∆T

Q: А) 280 K B) The freezing point of water c) 5°C D The freezing point of water and 280 K (E) 30 °F

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Q: How many total joules of heat does it take to heat up a 3.55 g ice cube at -45.5°C to 35.5°C? g

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Q: A professor has a beaker full of pure water. She heats the water to it's boiling point of 100°C.…

A: Colligative Properties: Which depends upon the number of the solute particles irrespective to the…

Q: How many joules of energy are needed to change 365.00 g of water from -65.0°C to liquid water at…

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Q: Q5: A bottle of soda at room temperature 22"C is placed in a refrigerator where the temperature is 7…

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Q: Suppose you have an ice cube that has a mass of 11.98g at a temperature of -2.56°C.  If you add this…

A: Answer :- 46.53 (°C) The final temperature (Tf) of the mixture = 46.53 °C…

Q: 12. Which term is a measurement of heat? O Cold O Hot Temperature O warm

A: Measurement of Heat : The other form of Heat is Cold ,Hot , warm .

Q: Which of the following samples has the higher temperature? a. 100. g of liquid water at 16.0 °C that…

A: Introduction: Specific heat: The amount of heat required to raise the temperature of a 1 gram of a…

Q: The specific heat of an unknown liquid is O.32 J/kg K. The density of th liquid is 0.0321 g/ ml. If…

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Q: 25.0 kJ of heat is added to 52.0 g of ice at -10.0°C. What is the temperature of the water (in °C…

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Q: A 44 gg piece of ice at 0.0 ∘C∘C is added to a sample of water at 8.0 ∘C∘C. All of the ice melts and…

A: Given: Mass of ice = 44 g. Initial temperature of ice = 0.0 oC All the ice melts. And the final…

Q: How much heat is needed to melt 23.8 g of copper that is at an initial temperature of 21.7 °C? The…

A: The heat of a solution can be expressed by the following formula   Q=mCΔT Q=heat m=mass C=heat…

Q: What was the initial temperature if 40.0g of water absorbs 320 calories and warms to 60.0 Degrees…

A: mass of water( m )      = 40 gram  Heat absorbs ( Q )      = 320 calories Final Temperature ( T2 )…

Q: Calculate the amount of heat needed to boil 22.1g of methanol (CH3OH), beginning from a temperature…

A: We know that…

Q: Rank the temperatures from the highest to the lowest. To rank items as equivatent, overtar them. How…

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Q: Calculate the amount of heat needed to boil 49.6 g of methanol (CH,OH), beginning from a temperature…

A: Consider the given information is as follows; Mass of methanol = 49.6 g Initial temperature T1 =…

Q: X Particulate Electrical Forces Unit Test - Profile 1- Microsoft Edge O…

A: Boiling point determined by the team was37.0±0.5°C and the accepted value is 37.4°C

Q: One gram of sugar provides 4.0 calories. How many calories you will get by drinking one can (330 ml)…

A: Calorie is the energy measure that a person intakes in the food. Given: One gram of sugar gives 4.0…

Q: what is the specific heat of something that goes from 23.6 degree celcius to 33.7 degree celcius…

A: Using conservation of energy equation   Q=mC∆twhereQ=heat energy m=mass of substanceC=specific heat…

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: Calculate the heat change in calories for freezing 45 gg of water at 0 ∘C∘C.

A: Heat change in freezing of a substance is equal and opposite of heat change in melting of the…

Q: Refering to the table below, when 2.72 g of metal Z at 14.8 °C absorbs 13.9 J of heat, what is its…

A: Heat capacity: The amount of heat required to increase the temperature of one gram of a substance by…

Q: Draw a sketch of the heating curve for water. Label the graph with the appropriate q equations. 1.…

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Q: What mass of water will give up 240 calories when the temperature drops from 100 deg C to 68 deg C

A: Q = 240 calories 1 C = 4181 J  240 Calories = 240*4181 = 1.0 x 106 J  Mass ,m = ?

Q: Refer to the two beakers for question 7. 27°C 45°C The beakers both contain 125 mL of the same…

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Q: An ice cube from a 5 degree Celsius freezer is placed on a table in the schoolyard.  What will…

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Q: Calculate the amount of heat needed to boil 110. g of hexane (C,H4), beginning from a temperature of…

A: Given that: Mass of hexane = 110.0 g = 0.11 kg Initial temperature (T1) = -70.9°C = 202.1 K Amount…

Q: Q5: A bottle of soda at room temperature 22"C is placed in a refrigerator where the temperature is 7…

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Q: How many joules of heat are absorbed then 35.7 grams of steam is heated from 115 degrees celsius  to…

A: q = mc∆T  q is the amount of heat energy absorbed m is the mass of substance  c is the specific heat…

Q: On your paper, draw the cooling curve for SO2 starting at -50 °C and ending at -100 °C. At each…

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Q: Calculate the amount of heat needed to boil 14.8 g of ethanol (CH,CH,OH), beginning from a…

A: Answer: Boiling the given sample of ethanol is a two step process: 1. Heating of ethanol up to it…

Q: how many joules of heat are required to heat 25.0 g of ethyl alcohol from The prevailing room…

A: Consider the given information is as follows; Mass of ethyl alcohol (m) = 25.0 g    Initial…

Q: The melting point of chloroethane, CH3CH2CL is -136 Celsius and its boiling point is 12 celsius. Is…

A: Pressure and temperature are two important factors for deciding the state of a substance.

Q: Butane (C,H,) is an easily compressible gas used in ciga- rette lighters. It has a melting point of…

A: From the given data we have Butane is used as a gas in cigarette lighters. Let's see whether it…

Q: What is the value of the final Temperature when 1g of silver 100 degrees Celsius is added to 50g of…

A: Given that -  Mass of silver = 1 g  Mass of water = 50 g  Temperature of silver = 100°C  Temperature…

Q: Calculate the amount of heat needed to boil 23.1g of octane (C8H18), beginning from a temperature of…

A: The amount of heat required to raise the temperature is calculated using the following equation:…

Q: The amount of heat needed to raise 50.0 grams of water from 20.0 degree Celsius to 30 degree Celsius…

A: Given : mass = 50 grams Temperature T2 = 30oC Temperature T1 = 20oC ∆T=T2-T1         = 30 - 20…

Q: How many joules are given off when 120 grams of water are cooled from 25˚C to -25˚C?

A: Determine heat released when temperature is reduced from 25oC to 0oC water:

Q: Calculate the heat change in kilocalories for freezing 265 g of water at 0 ∘C.

A: Heat change in freezing of a substance is equal and opposite of heat change in melting of the…

Q: How many calories could be needed to melt 10 grams of ice at 0 c

A: Heat is required to convert ice at zero degree Celsius to water at zero degree Celsius.hence only…

Q: What is the heat, q , required to melt 10 grams of ice in a) Joules b) calories

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Q: How many grams of water can be heated from 20.0 °C to 75.0 °C using 12500.0 Joules? s = 4.184 J/g °C

A: Given data: The initial temperature of the water is Ti=20.0 °C. The final temperature of the water…