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ANTONII [103]
3 years ago
13

The agent of mechanical weathering in which rock is worn away by the grinding action of other rock particles is call

Chemistry
1 answer:
Igoryamba3 years ago
3 0

Physical weathering

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Given the unbalanced equation: ___Al2(SO4)3+___Ca(OH)2—>___Al(OH)3+__CaSO4
nasty-shy [4]

Answer:

The answer to your question is letter B. 9

Explanation:

Unbalanced reaction

                     Al₂(SO₄)₃  +  Ca(OH)₂   ⇒    Al(OH)₃   +   CaSO₄

                     Reactants             Elements      Products

                          2                          Al                     1

                          3                           S                     1

                         14                           O                    7

                          1                           Ca                    1

                          2                           H                     3

Balanced reaction

                    Al₂(SO₄)₃  + 3Ca(OH)₂   ⇒   2Al(OH)₃   +   3CaSO₄

                     Reactants             Elements      Products

                          2                          Al                    2

                          3                           S                    3

                         18                           O                  18

                          3                           Ca                  3

                          6                            H                    6

The sum of the coefficients is 1 + 3+ 2+ 3 = 9

8 0
3 years ago
Why are parentheses used to write the formula AI(OH)3
Yakvenalex [24]

Because they are not on the periodic tsble they are on the back and they goes together

7 0
4 years ago
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PLEASE HELP! sketch the structure of the nitrogen-containing product that is formed when ethylamine reacts with water​
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First of all the ethylamine is base so will be react with water to take the proton from the water (H⁺) , because water is amphoteric will react with bases as acid and acids as a base, so the water in this case will react as an acid and will gives the proton to the base.

In the picture you may see the chemical equation and the structure of the products.

5 0
3 years ago
The mass of a quantity of NiCl2
Gennadij [26K]
Not sure, is it <span>:
</span>B.
<span> 1.9 3 1027 NiCl2
formula units</span>
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3 years ago
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When an antifreeze like salt is used, the freezing point of a solution is lowered. The amount by which it is lowered is called t
Ivan
Freezing point depression.
5 0
4 years ago
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