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Heat Transfer
Page 5
Questions (5,076)
a bunsen burner flame takes 8 minutes to raise 250g of water from 20 degrees to 100 degrees celcius, when the water is in a
4 answers
asked by
Mikky
1,401 views
Tom stands in a swimming pool and notices that the water around his feet is a lot cooler than the water near the surface. Which
1 answer
asked by
kali
104 views
Which of the following statements best explains why there is no change in temperature once thermal equilibrium between two
1 answer
asked by
kali
157 views
Review the examples below. Which would be considered an example of convection.
a a glass of water on a counter at room
1 answer
asked by
no name
115 views
Why does an aluminum block feel colder to the touch than a paperback book when you pick them up even though both objects are at
1 answer
asked by
no name
84 views
Which way does heat energy flow?
a heat energy does not flow b from cold to hot c from hot to cold
1 answer
asked by
no name
70 views
What happens when copper ball is heated
1 answer
asked by
Kaay gee
67 views
What will happen to the wire when it cools down
1 answer
asked by
Kaay gee
56 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
no name
98 views
ow much heat is needed to raise 50. g of aluminum from 20.0 °C to 100. °C? (Al sp. heat=0.215 cal/g°C)
2 answers
asked anonymously
72 views
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
65 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
171 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
115 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
88 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
119 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
67 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
69 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
55 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
1,500 views
Why does an aluminum block feel colder to the touch than a paperback book when you pick them up even though both objects are at
4 answers
asked by
A
333 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
929 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
3,882 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
160 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
1,677 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
2,558 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
108 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.
85 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.
131 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.
130 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.
61 views
What type of heat transfer occurs when a warm ocean transfers heat to the air above it?
1 answer
asked by
nonya
93 views
give a example of convection
1 answer
asked by
nonya
40 views
What type of heat transfer occurs when a warm ocean transfers heat to the air above it?
1 answer
asked by
nonya
76 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
175 views
Match the process to its description.
Column A 1. Conduction: Conduction 2. Convection: Convection 3. Radiation: Radiation Column
1 answer
asked by
kali
172 views
A kettle on a stove is an example of radiation.
True False
1 answer
asked by
kali
84 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
88 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
114 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
145 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
112 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
121 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
99 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
123 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
203 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
102 views
Match the process to its description.
Column A 1. Conduction: Conduction 2. Convection: Convection 3. Radiation: Radiation Column
1 answer
asked by
kali
160 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
120 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
81 views
How does a simmering part of spaghetti sauce, illustrate, convection currents?
1 answer
asked anonymously
63 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
152 views
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