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lyudmila [28]
2 years ago
14

Explain how you would separate a mixture of water sand salt and iron fillings into its four component parts

Chemistry
1 answer:
Alborosie2 years ago
8 0
Use a sieve to separate the water from the iron fillings and sand.
Use a magnet to separate the iron from the sand.
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Changes in which two characteristics can indicate a physical change?
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A-Shape

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The different molecules that make up the air in a room have on average the same kinetic energy. How does the speed of the differ
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The formula for kinetic energy is KE=1/2(mv²).  Since both mass and velocity are multiplied by each other, particle with a larger mass needs to be moving slower than a particle with less mass if both have the same kinetic energy. You can think of it as 2KE/m=v² or 2KE/v²=m, If you increase the mass the velocity needs to decrease to keep the same KE value.

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3 years ago
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Answer:

Explanation:

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ValentinkaMS [17]

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3 years ago
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