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Inessa05 [86]
2 years ago
9

Which phrase best describes weathering?

Chemistry
1 answer:
VladimirAG [237]2 years ago
7 0

Explanation:

weathering is a process of breakdown of rocks through mechanical or chemical process...

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He substance, cocl2, is useful as a humidity indicator because it changes from pale blue to pink as it gains water from moist ai
Anettt [7]

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Cobalt chloride

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It is a molecule formed of one Cobalt atom, and two Chlorine atoms.

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3 years ago
Adjustment to environmental conditions is known as
alukav5142 [94]

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A.

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Adjust = Adapt if that makes sense.

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Which of the following represents the greater concentration?<br> 1. 5 ppm<br> 2. 5%
Elanso [62]

Answer:

1

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3 0
3 years ago
Given the balanced equation representing a reaction: 2na(s) + cl2(g) → 2nacl(s) + energy if 46 grams of na and 71 grams of cl2 r
igor_vitrenko [27]
Answer is: 2) 117g.
2Na + Cl₂ → 2NaCl
Step 1: calculate amount of substance of sodium and chlorine.
n(Na) = m(Na)÷M(Na) = 46g ÷ 23 g/mol = 2 mol.
n(Cl₂) = m(Cl₂)÷M(Cl₂) = 71g ÷ 71 g/mol = 1 mol.
Step 2: calculate amount of substance and mass of sodium-chloride.
Because both sodium and chlorine react completely, we can use both n to compare with n of NaCl.
n(Na) : n(NaCl) = 2:2, 2 mol : n(NaCl) = 2:2
n(NaCl) = 2mol, m(NaCl) = 2mol ·5805 g/mol = 117 g.

6 0
3 years ago
Blank and blank are examples of solids
Ymorist [56]
A box and a laptop are both examples of solids


hope i helped:)
3 0
2 years ago
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