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pentagon [3]
3 years ago
14

What is conduction? (DOK1)

Chemistry
1 answer:
Rainbow [258]3 years ago
4 0

Explanation:

Conduction is a heat transfer method or movement of electricity without the movement of the materials of the medium.

  • Metals are said to be good conductor of heat and electricity due to their structure.
  • In electrical conduction, a metal or substance uses free mobile electrons to transfer electricity.
  • In heat conduction, molecules that makes up a solid begins to vibrate against one another when heated
  • The vibration leads to an increase in kinetic energy between two bodies.
  • As this occurs, there is a transfer of heat energy from one body to another.

Learn more:

Heat transfer from the sun brainly.com/question/1140127

#learnwithBrainly

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How is a metallic compound different from an ionic compound?
nata0808 [166]

Answer:

Ionic compounds are compounds whereas metals are elements. Ionic compounds are electrolytes whereas metals are conductors. Ionic compounds are brittle whereas metals are malleable and ductile. ... Most ionic compounds will dissolve in polar solvents like water whereas metals will either be insoluble or react with water.

8 0
3 years ago
Determine the heat needed to warm 25.3 g of copper from 22 degrees celsius to 39 degrees celsius.
Serggg [28]

Answer:

The heat needed to warm 25.3 g of copper from 22°C to 39°C is 165.59 Joules.

Explanation:

Q=mc\Delta T

Where:

Q = heat absorbed  or heat lost

c = specific heat of substance

m = Mass of the substance

ΔT = change in temperature of the substance

We have mass of copper = m = 25.3 g

Specific heat of copper = c = 0.385 J/g°C

ΔT  = 39°C - 22°C = 17°C

Heat absorbed by the copper :

Q=25.3 g\times 0.385 J/g^oC\times 17^oC=165.59 J

The heat needed to warm 25.3 g of copper from 22°C to 39°C is 165.59 Joules.

5 0
4 years ago
How will you describe the behavior of dry ice?​
Ganezh [65]

Answer:

Explanation: A square of dry ice has a surface temperature of - 109.3 degrees Fahrenheit (- 78.5 degrees C). Dry ice additionally has the extremely decent component of sublimation - as it separates, it transforms legitimately into carbon dioxide gas as opposed to a fluid.

6 0
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The answer is B, nic fiss, nic fusi
8 0
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Type in the name of the following compounds. Be sure to use the periodic table if needed.
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