A catalyst is:
one answer only pls help lol
2 answers:
Answer:
the second one
Explanation:
it makes the most sense
A catalyst is a substance that speeds up a chemical reaction.
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When you place the north pole of one magnet near the south pole of another magnet, they are attracted to one another.
Explanation:
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160m/s
Explanation:
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I looked up what is the molecular formula for Phosphine and got this: PH3
Hope this helps! Let my know if this was correct.
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Hope this helped!! <3 good luckk!!
