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san4es73 [151]
3 years ago
13

Which option is an example of physical change?

Chemistry
2 answers:
Murljashka [212]3 years ago
8 0

Answer:

They are all physical exept c

Explanation:

amm18123 years ago
7 0

Answer:

They are all physical except c

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What do you call all water on earth surface
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Hydrosphere

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In a solution of salt and water blank is the solvent
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A 58.5 g sample of glass is put into a calorimeter (see sketch at right) that contains 250.0 g of water. The glass sample starts
Ket [755]

Answer:

The specific heat capacity of glass is 0.70J/g°C

Explanation:

Heat lost by glass = heat gained by water

Heat lost by glass = mass × specific heat capacity (c) × (final temperature - initial temperature) = 58.5×c×(91.2 - 21.7) = 4065.75c

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5 0
3 years ago
Read 2 more answers
When heat energy is removed, two changes are observed:
harkovskaia [24]

Answer: Option (A) is the correct answer.

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Condensation is defined as the process in which vapors or gaseous phase changes into liquid phase.

Freezing is the process in which liquid phase changes into solid phase.

Evaporation is the process in which liquid phase changes into vapors or gaseous phase.

Melting is the process in which solid phase changes into liquid phase.

Therefore, we can conclude that names for given phase changes A and B is that A is condensation and B is freezing.

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