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Korolek [52]
3 years ago
5

Which environmental changes occur fastest? oil spill changing seasons global warming pond succession Previous hurry plzz

Chemistry
1 answer:
ser-zykov [4K]3 years ago
6 0
I’m not a 100% shure but I would personally say OIL SPILLS.
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Which sample of copper has atoms with the lowest average kinetic energy? 1. 10. g at 45°C 2. 20. g at 35°C 3. 30. g at 25°C 4. 4
blagie [28]
I would say <span>4. 40. g at 15°C because kinetic energy is related to temperature and not mass, so the lower temp would give you lower KE</span>
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How many grams of magnesium oxide remain after 18.50 g of magnesium oxide reacts with 30.3 g hydrochloric acid to produce magnes
mestny [16]
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Find and fix each mistake in the following equilibrium constant expressions.
IRINA_888 [86]

Answer:

A. c. Keq=[H2]^2[S2]/[H2S]^2

B. b. Keq=[COCl2]/[CO][Cl2]

Explanation:

Hello,

In this case, considering the law of mass action which states that the equilibrium expression is written in terms of the concentration of products divided by the concentration of reactants considering the stoichiometric coefficients as powers we obtain:

A. For the reaction:

2H_2S(g)\rightleftharpoons 2H_2(g)+S_2(g)

The equilibrium expression is:

Keq=\frac{[H_2]^2[S_2]}{[H_2S]^2}

Therefore, answer is c. Keq=[H2]^2[S2]/[H2S]^2.

B. For the reaction:

CO(g)+Cl_2(g)\rightleftharpoons COCl_2(g)

The equilibrium expression is:

Keq=\frac{[COCl_2]}{[CO][Cl_2]}

Therefore, answer is b. Keq=[COCl2]/[CO][Cl2].

Regards.

8 0
3 years ago
The most well-known biogenic d-elements
erma4kov [3.2K]

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4 0
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bixtya [17]

Answer:

1gram of water

Explanation:

First balance the equation

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500×10-3what about 2?

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1g of water

4 0
3 years ago
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