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Heat Transfer
Page 8
Questions (5,022)
When a cake is removed from an oven its temperature is measured at 300 degree F. Three minutes later its temperature is 200
3 answers
asked by
Armand
4,627 views
Suppose that the amount of heat removed when 42.1 kg of water freezes at 0.0 °C were removed from ethyl alcohol at its
3 answers
asked by
John
516 views
Use the table of temperatures measured in two areas of a house to answer the question area downstairs temperature 22 upstairs
3 answers
asked by
Amy
520 views
Byrd has a mug of coffee at a temperature of 93°C. He sets the mug on a counter in a room with an air temperature of 25°C.
2 answers
asked by
bella
136 views
Suppose two 45-g ice cubes are added to a glass containing 500 cm3 of cola at 20,0°C.
When thermal equilibrium is reached, all
6 answers
asked by
tshepiso
2,603 views
How does the type of material used as an insulator affect heat transfer? Use evidence to support you from the text given.
2 answers
asked by
bella
107 views
1. As a sample of matter is cooled, which property of its particles increases? (1 point)average kinetic energy
pressure buoyancy
11 answers
asked by
NIKE
1,522 views
What process that brings heat from the lower mantle toward the crust?(1 point)
Responses conduction conduction convection
3 answers
asked by
Ruuube
220 views
The specific heat of copper is 0.092 cal/g °C. If a 590 g copper pan is heated from a temperature of 25 °C to 180 °C, how
2 answers
asked by
Anonymous
662 views
spent steam from an electric generating plant leaves the turbines at 120.0 C and is cooled to 90. 0 C liquid water by water from
4 answers
asked by
doug
4,743 views
Calculate the total amount of heat absorbed (in kJ) when 2.00 mol of ice at -30.0°C is converted to steam at 140.0°C.
4 answers
asked by
ming xuan
1,183 views
Why does the design of the vacuum flask minimize heat transfer by conduction?
A)One flask is smaller than the other flask. B)One
27 answers
asked by
I need help
7,471 views
If 720.0 grams of steam at 400.0 degrees Celsius absorbs 800.0 kJ of energy, what will be its increase in temperature?
4 answers
asked by
Cary
1,801 views
when that air under the envelope is heated , the balloon lifts . which of the following statement is true
A. hot air balloons use
59 answers
asked by
Madison
14,097 views
The latent heat of vaporization of water is 540 calories/gram. How many calories are required to completely vaporize 500 grams
3 answers
asked by
katlyn
1,078 views
669 cal of heat is added to 5.00 g ice at –20.0 °C. What is the final temperature of the water?
2 answers
asked by
k
768 views
A rigid volume contains 6 m3 of steam originally at a pressure and temperature that gives U1 as 1.324 kJ/kg and U2 as 1.978 m/kg
2 answers
asked by
oyebode222222
73 views
Two gases A and B are separated by a partition within a box. Gas A contract having 730j of work done on it . 140 of energy are
2 answers
asked anonymously
68 views
In which case would the kinetic energy of particles be increasing?
Metal is at room temperature, 37°C. Metal is cooled at
11 answers
asked by
Untitled
3,953 views
Jeriah places two metal cubes in contact with each other. Energy and heat flow from Cube A to Cube B. What conclusion can be
3 answers
asked by
6th g=rade
298 views
How much energy is required to change a 57 g ice cube from ice at −4◦C to steam at 107◦C? The specific heat of ice is 2090
3 answers
asked by
Beatles Lover
1,031 views
Water gained heat at the rate of 12° Celsius per minute for 5 minutes. It was then allowed to lose heat at 4° Celsius per
5 answers
asked by
kudu
1,175 views
Which best describes how heat flows?
a Heat flows from a cold object to a hot object and can cause an object's temperature to
1 answer
asked by
Ari
160 views
The two insulated beakers contain equal amounts of identical liquids. The temperature of Beaker A is 85°C. The temperature of
7 answers
asked by
Isabel
1,627 views
Hello, I have some questions:
Is aluminum foil an insulator or a conductor? How can it both insulate and conduct heat? (What
3 answers
asked by
❄ Snowflake ❄
750 views
A copper calorimeter weighs 100g when empty, 400g when half full of water at 0 degrees Celsius, and 450g when ice at 0 degree
5 answers
asked by
agajere
2,040 views
A student puts a piece of black paper and a piece of white paper in the same sunny spot. After 30 minutes, she observes that the
3 answers
asked by
Idb
327 views
In the simulation shown below, each insulated beaker contains equal amounts of the same fluid.The starting temperature of beaker
5 answers
asked by
Anonymous
2,591 views
Which is the best description of radiation?(1 point)
Responses transfer of thermal energy within a gas transfer of thermal energy
4 answers
asked by
kali
384 views
A cube of ice is taken from the freezer at -7.5°C and placed in a 101 g aluminum calorimeter filled with 282 g of water at room
3 answers
asked by
ami
866 views
a 100.0 gram metal sample is heated to a temperature of 110 degrees celcius then placed into a calorimeter containing 100.0 r of
4 answers
asked by
jason wolthen
939 views
A piece of unknown metal with a mass of 68.6 grams is heated to an initial temperature of 100 Celsius and dropped into 42 grams
12 answers
asked by
Raven
4,397 views
1.)A vacuum flask keeps its contents warmer or cooler than the surrounding environment for a length of time. It consists of two
19 answers
asked by
i-is that a jojo reference
4,741 views
If you turn on the burner on a gas stove under a pan of cold water, energy moves from the burner to the pan of
water. What is
4 answers
asked by
Kaylin
1,323 views
An iron block with a temperature of 250 degrees Celcius is placed into a container of water with a temperature of 50 degrees
4 answers
asked anonymously
197 views
You place ice cream on a metal surface that is at a room temperature of 25 degrees Celsius. Which will happen when the ice cream
16 answers
asked by
cokacola
502 views
The specific heat of copper is 0.385 J/g.°C. Which equation would you use to calculate the amount of heat needed to raise the
4 answers
asked by
Alex
4,226 views
You place ice cream on a metal surface that is at a room temperature of 25 degrees Celsius. Which will happen when the ice cream
4 answers
asked anonymously
380 views
Your friend comes across a good deal to purchase a gold ring. She asks you for advice for you to test the ring. The ring has a
4 answers
asked by
Liz
1,291 views
How do the principles of convection, conduction, and radiation explain how the water in the saucepan gets hot?
29 answers
asked by
Cindy
10,412 views
Liquid Freon (CCl2F2) is used as a refrigerant. It is circulated inside the cooling coils of older refrigerators or freezers. As
5 answers
asked by
Amena.S
3,613 views
1. How much heat energy is required to change 500 grams of water at 100 degrees Celsius to steam at 100 degrees Celsius?
2. How
3 answers
asked by
Tamai
2,091 views
An iron block with a temperature of 250 degrees Celcius is placed into a container of water with a temperature of 50 degrees
7 answers
asked anonymously
188 views
You place ice cream on a metal surface that is at a room temperature of 25 degrees Celsius. Which will happen when the ice cream
19 answers
asked by
help me pls
322 views
An iron block with a temperature of 50 degrees Celsius is placed into a container of water with a temperature of 25 degrees
7 answers
asked by
B6D
194 views
An iron block with a temperature of 250 degrees Celsius is dropped into a container of water with a temperature of 50 degrees
13 answers
asked anonymously
145 views
A student drops substance A into substance B. What will happen?(1 point)
Responses A. Both substances will reach 50 degrees
4 answers
asked anonymously
102 views
How does the type of material used as an insulator affect heat transfer?
7 answers
asked by
There is nothing here I guess
198 views
You place ice cream on a metal surface that is at a room temperature of 25 degrees Celsius. Which will happen when the ice cream
10 answers
asked anonymously
79 views
you place ice cream on a metal surface that is at a room temperature of 25 degrees Celsius. Which will happen when the ice cream
7 answers
asked anonymously
48 views
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