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Len [333]
3 years ago
8

Melting butter is a physical change. Which best describes what is happening?

Physics
1 answer:
kati45 [8]3 years ago
3 0

Answer:

Option B

Explanation:

The butter forms a new arrangement of atoms i.e from solid to liquid

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Which of these is an example of a chemical reaction that occurs at a very slow rate?
spin [16.1K]

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Explanation:

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A concrete block (B-36 x10 °C-') of volume 100 mat 40°C is cooled to
ruslelena [56]
  • T1=40°C=313K
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Applying Charles law

\\ \sf\Rrightarrow \dfrac{V_1}{T_1}=\dfrac{V_2}{T_2}

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\\ \sf\Rrightarrow V_2=\dfrac{26300}{313}

\\ \sf\Rrightarrow V_2=84.02ml

6 0
2 years ago
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