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Heat Transfer
Page 6
Questions (4,996)
43. If 1.2 x 106
J of heat energy is given off in 1sec from a vessel maintained at a temperature gradient of 30km-1, the surface
2 answers
asked anonymously
61 views
flows from to areas. is a measure of this flow. The transfer of thermal energy can occur in three ways: convection, conduction
1 answer
asked by
no name
165 views
Heat the brick to the highest temperature. Drop the brick in the water.
When the brick is dropped in the water, the temperature
1 answer
asked by
no name
109 views
As you cooled the brick and iron, what happened to their temperatures? (Hint: Use the thermometer)
a the temperature decreased b
1 answer
asked by
no name
85 views
As you added heat, what happened to the temperature of the brick and iron? (Hint: Use the thermometer)
a the temperature
1 answer
asked by
no name
115 views
Explain why wet sand doesn't feel as hot on your feet as dry sand, even though they have both received the same amount of
6 answers
asked by
name
63 views
An aluminum rod 0.500 m in length and with a cross-sectional area of 2.50 cm^2 is inserted into a thermally insulated vessel
1 answer
asked anonymously
62 views
An aluminum rod 0.500 m in length and with a cross-sectional area of 2.50 cm^2 is inserted into a thermally insulated vessel
2 answers
asked anonymously
53 views
If the specific heat of water is 1.0 calorie/gram C how many calories are required to raise 500 grams of water 10.0C
5 answers
asked by
Anonymous
1,491 views
This exercise uses Newton's Law of Cooling.
A kettle full of water is brought to a boil in a room with temperature 20°C. After
4 answers
asked by
EE
926 views
melissa burned her hand on the stove. why did putting her hand in a bowl of cold water make the burn less severe
a. cold
16 answers
asked by
somebody help i am new
3,872 views
A metal pot with hot soup in it is placed on a cool stone countertop, as shown in the diagram below.
The numbered arrows show the
1 answer
asked by
kali
151 views
The specific heat of gold is 0.031 calories/gram°C. If 10.0 grams of gold were heated and the temperature of the sample changed
5 answers
asked by
Kali
1,666 views
How many grams of ice at -24.3∘C can be completely converted to liquid at 23.9∘C if the available heat for this process is
3 answers
asked by
Steve
2,553 views
A heat engine operates between two thermal reservoirs at 800 and 20"C. One-half of the work output of the heat engine is used to
2 answers
asked anonymously
98 views
Students completed a lab investigation consisting of four stations, A, B, C, and D. Equal amounts of sand at the same starting
1 answer
asked by
Maya S.
84 views
Heat energy can be transferred in 3 different ways. What would be the correct way to explain the way that heat transfers its
1 answer
asked by
Maya S.
125 views
Heat energy can be transferred in 3 different ways. What would be the correct way to explain the way that heat transfers its
1 answer
asked by
Maya S.
125 views
In heat transfer, which process uses air flowing from one location to another in the atmosphere?
Question 10 options: Radiation
1 answer
asked by
Maya S.
59 views
What type of heat transfer occurs when a warm ocean transfers heat to the air above it?
1 answer
asked by
nonya
88 views
give a example of convection
1 answer
asked by
nonya
39 views
What type of heat transfer occurs when a warm ocean transfers heat to the air above it?
1 answer
asked by
nonya
70 views
When you place two substances at different temperatures together, when does heat stop transferring?
a heat transfers from the
1 answer
asked by
kali
164 views
Match the process to its description.
Column A 1. Conduction: Conduction 2. Convection: Convection 3. Radiation: Radiation Column
1 answer
asked by
kali
166 views
A kettle on a stove is an example of radiation.
True False
1 answer
asked by
kali
73 views
A hot air balloon and the air conditioning in your home use convection currents to rise up into the air.
True False
1 answer
asked by
kali
84 views
In order to measure the transfer of thermal energy from one temperature body to another, what device would be most useful?
a
1 answer
asked by
kali
109 views
A solid object at 30°C is placed inside a container of liquid at 60°C.
What most likely will be observed? a The temperature of
1 answer
asked by
kali
142 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
1 answer
asked by
kali
108 views
When Ben holds an ice cube in his hand, which transfer of energy is taking place?
a Heat is flowing from his hand to the ice
1 answer
asked by
kali
108 views
Whenever you directly touch a hot plate, you immediately feel the heat transfer to your hand the second you touch it. This is an
1 answer
asked by
kali
93 views
Hannah heats a beaker of water using a burner, as shown in the diagram.
Which statement best describes the movement of water
1 answer
asked by
kali
118 views
Why are most oven mitts made out of cloth?
a Cloth is a conductor and blocks the heat. b Cloth cools a pan down as soon as it is
3 answers
asked by
kali
196 views
A pot is heated on a stove. Which process causes the metal handle of the pot to also become hot?
a combustion b conduction c
1 answer
asked by
kali
93 views
Match the process to its description.
Column A 1. Conduction: Conduction 2. Convection: Convection 3. Radiation: Radiation Column
1 answer
asked by
kali
150 views
What happened at point C to end with D?
a A transferred thermal energy to B to equalize both in D. Warmer always moves toward
1 answer
asked by
kali
118 views
If the specific heat of water is 4.180 J/ g °C, what mass of water can be heated from 5.0°C to 80.0°C by 27000 J of heat?
4 answers
asked by
Jada Biscoe
74 views
How does a simmering part of spaghetti sauce, illustrate, convection currents?
1 answer
asked anonymously
60 views
The surface of a heated metal object measures 120°C. It is dropped into a bucket filled with water measuring 10°C.
Which of the
1 answer
asked by
6
143 views
Is grease used as a coolant
1 answer
asked by
Freezer
63 views
Derive the expression for critical radius of insulation for a cylinder and also discuss how thickness of insulation affects the
3 answers
asked by
Ruhi
106 views
A hot plate of area 0.5m ^ 2 is maintained at a temperature of 60 ^ 0 * C by a 100W
electric heater when room temperature is 30 ^
13 answers
asked by
Ruhi
189 views
The temperature of the brick ____________ and the temperature of the olive oil ____________.
a increases; increases b increases;
1 answer
asked by
kali
131 views
When the brick is dropped in the water, the thermal energy flows from the ____________ to the ____________.
a brick; water b
3 answers
asked by
kali
110 views
When the brick is dropped in the water, the temperature of the brick ____________ and the temperature of the water ____________.
1 answer
asked by
kali
99 views
You want to roast marshmallows, so you decide to use a wooden stick because a metal rod is too good at and would get too . Using
3 answers
asked by
A
109 views
flows from one area to another. Heat is a measure of this flow. The transfer of thermal energy can occur in three ways:
1 answer
asked by
A
73 views
Analysis Question
(Answers may be used once, more than once or not at all) flows from to areas. is a measure of this flow. The
1 answer
asked by
A
83 views
You are cooking pasta and putting a pot of water on an electric stove. When the water starts to boil, you add the pasta. What
2 answers
asked by
luke armstrong
245 views
As you cooled the brick and iron, what happened to their temperatures? (Hint: Use the thermometer)
a the temperature does not
1 answer
asked by
kali
111 views
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Parent Categories (83)
Applied Physics or Thermodynamics
Atmospheric Processes
Atmospheric Science
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Changes in Phase
Chemical Reactions
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