How many calories of heat are required to change 1 gram of ice at 0°C to liquid water at   0°C? How many calories of heat are required to change 1 gram of water at 100°C to 1 gram of steam at 100°C? How many calories are needed to melt 50 grams of ice at 0°C and convert it to liquid water at 35°C?

Q: What is "specific heat?" If 24 Joules of heat are added to 1.5 kg solid with a specific heat of 128…

A:

Q: When M1 gram of ice at -10°C (specific heat = 0.5 cal.g °C-1 is added to M2 gram of water at 50°C,…

A:

Q: A single pane of glass in an old home measures 1.14 m by 0.6 m and is 0.01 m thick. During a cold…

A: Given thermal conductivity of the wall k =1.7 W/mK.Given length and breadth of the wall as 1.14 m…

Q: It is a well-known fact that water has a higher specific heat capacity than iron. Now, consider…

A:

Q: How many calories are needed to change 10 grams of ice at 0 degree to steam at 100 degree Celsius?

A:

Q: Calculate the amount of heat needed to change the temperature of 1 kg of ice at 32 o F to 220 o…

A: Given data, Mass m= 1 kg Temperature T1=32°F Temperature T2=220°F Specific heat of water = 1…

Q: An aluminum calorimeter of mass 50 g contains 200 g of ice and 500 g of water at 0℃. If 60 g of…

A: Given: The mass of the aluminium calorimeter is 50 g. The temperature of the ice is 0oC. The mass of…

Q: (2) A 3.05 kg sample of water at 9.5°C is in a calorimeter. You drop a piece of iron with a mass of…

A:

Q: A cube of ice is taken from the freezer at -9.5 °C and placed in a 95-g aluminum calorimeter filled…

A: mass of ice cube = m Initial temperature of ice = -9.5oC mass of water = 300 g mass of aluminum…

Q: Q 11:- If the distance between each atom and another in a molecule of ammonia gas (NH3) is constant,…

A: Distance between each atom and another molecule of NH3 is constant

Q: When 200g of Aluminum at 100°C is dropped into an aluminum calorimeter of mass 120 g and containing…

A: Given: The mass of the aluminium is 200 g. The initial temperature of the aluminium is 100°C. The…

Q: How much energy does it take to boil 2.35 kg of water at 100 degrees c completely to steam at 100…

A: The mass of water is, m=2.35 kg The heat of vaporization of the water vapor at 100 degrees Celsius…

Q: 2.) A bar of 20.0 grams of aluminum of specific heat 0.215 cal/gramCo is heated from 15.0 Co to 20.0…

A:

Q: Suppose that 0.1 kg of ice at an initial temperature of -10degree celcius are put into 0.40kg of…

A: Here the heat lost by water is equal to the heat gained by ice.

Q: A mixture of 0.1 kg ammonia and 0.1 kg water is to be cooled from 20 Celsius to 10 Celsius. How much…

A: When heat energy is supplied to or absorbed from an object , the temperature of the object will…

Q: 237 g of water, initially at 22.0 degrees Celsius, is placed in a freezer. The water freezes to…

A:

Q: How much heat is needed to change the temperature of 215 grams of ice at -20 °C to liquid water at…

A:

Q: A solid magnesium sample of 0.1628 g (M.W. = 24.305 g/mol) is burned in a constant- volume…

A: Given data: The mass of sample is m=0.1628 g. Initial temperature of water is T1=25°C. Final…

Q: One end of an insulated metal rod is maintained at 100 ∘C∘C and the other end is maintained at…

A: Given temperature (T1)=100 °CT2=0°CLength of rod (L)= 55.0 cm=0.55 mArea of crossection (A)=1.30…

Q: A cube of ice is taken from the freezer at -5.5 °C and placed in a 95-g aluminum calorimeter filled…

A:

Q: A combination of 0.250 kg of water at 20.0°C, 0.400 kg of aluminum at 26.0°C, and 0.100 kg of copper…

A: Given data: The mass of water is: mw = 0.250 kg The mass of aluminium is: mAl = 0.400 kg The mass of…

Q: A 1-kg ice at -20℃ is taken up from the freezer. How much heat in calories is needed to melt and…

A: mass of ice = 1 kg initial temperature = -20oC final temperature = 200oC

Q: railroad rail is 237 m long at temperature 20. What is its length  when the temperature is  -7?…

A: Increase in length with increase in temperature is called thermal expansion

Q: How much heat energy does it take to boil 2.35kg of water at 100 degrees Celsius completely to steam…

A: Given Data: The mass of water is, m=2.35 kg   The expression for the heat energy in terms of latent…

Q: .1 kg aluminum pot (specific heat 900 J/kg °C) is initially at 20°C. One kilogram of water at 5°C is…

A: Given: The mass of the aluminium is 0.1 kg. The initial temperature of the aluminium is 20oC. The…

Q: We have 39.5 g of a particular substance. Its specific heat in solid form is 0.8 J/(g K) and its…

A: The unit of temperature is not given. As the unit of Temperature used in specific heat is Kelvin.…

Q: What would be the final temperature of a mixture of 100 g of water at 20 C temperature and 150 g of…

A:

Q: If 0.035 kg of ice at 0 ∘Cis added to 0.210 kg of water at 36 ∘ in a 0.100-kg aluminum calorimeter…

A:

Q: A 30 g ice cube at -15ºC is added to 150 g of water at 25ºC.  Find the final equilibrium temperature…

A: Given Mass of ice cube is m=30 g Mass of water is M=150 g

Q: Suppose you have a glass with 370 grams of soda at 30C and you wish to add ice to it to cool it down…

A: mass of soda (m) = 370 g Initial temperature of soda = 30o C Final temperature of soda = 5oC Change…

Q: inum at  100 degree C is dropped into an aluminum calorimeter  of mass 120g and containing 150 g of…

A: GivenMass of aluminium, ma=200 gTemperature of aluminium, Ta=100°CMass of Calorimeter, mc=120 gMass…

Q: A cube of ice is taken from the freezer at -5.5 ∘C and placed in a 85-g aluminum calorimeter filled…

A:

Q: 2. A glass of mass 100g, contains 150g of water at 30°C. When 70g of ice at 0°C is added to the…

A:

Q: How much heat is required to change 100 lbs of ice at 10°F to steam at 212°F? Assume the following:…

A: Given data mass of ice : m=100 lbs Initial temperature of ice  : T1=10 °F Final temperature of steam…

Q: the simplest method of purifying water, although you do need a source of heat to do it, and it takes…

A: Boiling:-  It is the simplest method to purify water, in this method, we heat up the water up to its…

Q: A 0.150-kg sample of a metal alloy is heated at 540 Celsius an then plunged into a 0.400-kg of water…

A: Please see the answer in step 2

Q: An iron railroad rail is 300 m long at temperature 31. What is its length  when the temperature is…

A:

Q: What is the final temperature of a 3.4 kg iron at 45°C, if 5000 calories of heat was released, if…

A: Given data:  Mass (m) = 3.4 kg = 3400 g Initial Temperature (T0) = 45°C Change in heat energy (ΔQ) =…

Q: A combination of 0.250 kg of water at 20.0°C, 0.400 kg of aluminum at 26.0°C, and 0.100 kg of copper…

A: ANSWER :- Using Energy conservation:   Net Energy absorbed/released by masses = 0   Q1 + Q2 + Q3 = 0…

Q: thermos bottle contains 250 g of coffee at 90°C. To this is added 20 g of milk at 5°C. After…

A:

Q: A student has a calorimeter with 211.7 grams of 29.1∘C water contained within it.  The student then…

A:

Q: A cube of ice is taken from the freezer at -9.5 °C and placed in a 95-g aluminum calorimeter filled…

A:

Q: In Rusayl cable factory, 150 kg of raw copper is molten to make wires and cables. If 20.1 MJ of heat…

A: Given: The mass of raw copper is m=150 kg. The heat required is Q=20.1 MJ.   The expression of…

Human Metabolism

Being described as the most complicated machine ever encountered by humans, the human body and the cell metabolism is nothing less than a wonder. Metabolism is the set of life-sustaining chemical reactions within organisms.