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Alexxandr [17]
3 years ago
7

Which sample of matter is a mixture?

Chemistry
1 answer:
devlian [24]3 years ago
5 0

What are the options?
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A solid calcium metal reacts with molecular oxygen.<br> WORD EQUATION =<br> CHEMICAL EQUATION =
Ne4ueva [31]
Word equation - calcium + oxygen -> calcium oxide
Chemical equation - Ca + O2 -> CaO2

Hope this helps!
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3 years ago
Which reaction is most likely to have a positive ΔSsys?
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Shucks idk dha answer

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What can be deduced from the fact that a substance has a pH of 7?
balandron [24]

Answer:

A.

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A) The number of H+ ions in the substance is equal to the number of OH-ions.

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4 years ago
What kinds of sacrifices do governments face when considering how to reduce greenhouse gases ?
guapka [62]

Answer:

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5 0
3 years ago
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In a neutralization reaction, an aqueous solution of an Arrhenius acid reacts with an aqueous solution of an Arrhenius base to p
solmaris [256]

Answer: c. Salt and Water

Explanation:

For example;

When an Arrhenius acid such as; Tetraoxosulphate (VI) acid  (H2SO4) reacts with an Arrhenius base such as Potassium hydroxide (KOH), the products formed in this neutralization reaction is a salt known as ''Potassium Sulphate''  (K2SO4) and ''Water'' (H2O).

H2SO4   +     KOH ------------->   K2SO4      +    H2O

5 0
3 years ago
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