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krek1111 [17]
3 years ago
6

What is a coarse-grained rock composed of intermediate plagioclase feldspar and pyroxene?

Chemistry
1 answer:
Montano1993 [528]3 years ago
8 0
A coarse-grained rock composed of intermediate plagioclase feldspar and pyroxene a gabbro. It is an intrusive igneous rock and commonly in black or dark green color. It is found mostly in the deep oceanic crust. It is chemically equivalent with basalt.
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Provide two written definitions of an oxidation-reduction reaction and for each definition tell which reactant is reduced and wh
vesna_86 [32]

Answer:

Explanation:

Oxidation:

1) Oxidation involve the removal of electrons.

2) Oxidation occur when oxidation state of atom of an element is increased.

Reduction:

1) Reduction involve the gain of electron.

2) Reduction is occur when number of electrons increased in an atom and oxidation state decreased.

Consider the following reactions.

4KI + 2CuCl₂  →   2CuI  + I₂  + 4KCl

the oxidation state of copper is changed from +2 to +1 so copper get reduced.

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the oxidation state of carbon is +2 on reactant  side and on product side it becomes  +4 so carbon get oxidized.

Na₂CO₃ + H₃PO₄  →  Na₂HPO₄ + CO₂ + H₂O

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The oxidation sate of sulfur is -2 on reactant side and in product side it is also -2 so it neither oxidized nor reduced.

The  most comprehensive definition is 2nd definition which involves the increase or decrease in oxidation state.

4 0
4 years ago
The climate of a place also depends upon the amount of water in the air. How do the rising temperatures around Earth affect the
kodGreya [7K]

Answer:

B) There is more water in the air because the rate of evaporation increases

Explanation:

As the temperatures rise across the globe, the rate of evaporation also increases, resulting in more water in the air. The reason for the increased evaporation is that the ice sheets and glaciers are melting, thus there's more liquid water. The more liquid water there is, the more evaporation there will be. As the evaporation increases, there will be an increase in the formation of clouds, thus there will be more precipitation around the world, gradually leading to warmer and wetter climate.

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4 years ago
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Keith_Richards [23]

Answer:

22.67 L of PH₃

Explanation:

The balanced equation is:

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From the equation:

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= 22.67 L of PH₃

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Answer:..

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