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Serga [27]
3 years ago
6

What kinds of rocks would you expect to see on Mars? What evidence do you have

Chemistry
1 answer:
N76 [4]3 years ago
3 0

like what are they made of? if so iron, due to iron oxide appearing as red hence why mars is red

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Rick runs 100 feet in 20 seconds what’s his speed?
Ksivusya [100]

Answer:

5 feet per second

Explanation:

s=d÷t

100÷20=5

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3 years ago
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25. Compare the compositions of binary ionic and binary molecular compounds. 26. Write the general chemical formula for an acid,
Murljashka [212]

Explanation:

25. Binary ionic compounds: They are known as the compounds which contains a cation formed from a metal and an anion formed from a non-metal or a polyatomic anion. For example : Barium sulfate

Ba : +2 ( metal of group II-A)

SO_4 : -2 ( sulfate)

These two ions combine to form a binary ionic compound having formula BaSO_4

Binary Molecular compounds: They are known as the compounds which contain two or more non-metals that are bonded covalently. In these compounds, no ions are present because the electrons are shared by the atoms. Examples are: PCl_3 : phosphorous trichloride

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26. The general chemical formula for an acid is HX where H is the hydrogen and X is the non-metal or polyatomic ions. Examples of acids are:

HF : Hydrofluoric acid

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4 years ago
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What happens to a sheet of copper as the average kinetic energy of the copper molecules decreases?
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<h2>It gets cooler.</h2>

Explanation:

<h2>Hopes this helps. Mark as brainlest plz!</h2>
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During the Big Bang, what were the two main chemical elements created?
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