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myrzilka [38]
3 years ago
5

Matt is conducting an experiment where he compares the properties of water and

Chemistry
1 answer:
NikAS [45]3 years ago
3 0

Answer:

sitric acid from lemon

Explanation:

there

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A rock can be broken down into different kinds of substances by physical processes. No chemical reactions are needed to separate
denpristay [2]

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I believe the correct answer is a mixture. Most rocks are just different compounds or elements somewhat fused through heat and pressure. The substances are not chemically bonded together which means that they all retain their chemical identity and therefore can be separated by breaking them up. A good example of this is granite where you can see the different compounds that got fused together and can falls apart when you grind it. I hope this helps. Let me know if anything is unclear.

Explanation:

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Discription and explain the formation of positive and negative ions​
Ivahew [28]

Answer:

its down below

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8 0
3 years ago
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Zn(s)+2HCl(aq)= Zncl2(aq)+H2(g)
algol13
<span>There are a number of ways to express concentration of a solution. This includes molarity. Molarity is expressed as the number of moles of solute per volume of the solution. We calculate as follows:
</span>
2.5 M HCl = 2.5 mol HCl / L soln

0.306 mol HCl / 2.5 mol HCl/L son = 0.1224 L soln needed

M1V1 = M2V2
18 M(V1) = 2.5 M(0.1224 L)
V1 = 0.017 L of the 18 M solution
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Which of the following is NOT something that Earth's atmosphere protects us from? A. meteoroids B. ultraviolet light C. greenhou
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3 years ago
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