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RoseWind [281]
2 years ago
15

1. During primary ecological succession, the initial formation of soil helps establish —

Chemistry
1 answer:
Art [367]2 years ago
6 0
To think the answer is grasses
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What is the mass of 3.75 moles of NaCl
insens350 [35]
Mass of salt is equal to 218.8125 grams.

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3 years ago
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The standard cell potential of the following galvanic cell is 1.562 V at 298 K. Zn(s) | Zn2+(aq) || Ag+(aq) | Ag(s) What is the
myrzilka [38]

Answer:

E = 1.602v

Explanation:

Use the Nernst Equation => E(non-std) = E⁰(std) – (0.0592/n)logQc …

             Zn⁰(s) => Zn⁺²(aq) + 2 eˉ

2Ag⁺(aq) + 2eˉ=> 2Ag⁰(s)          

_____________________________

Zn⁰(s) + 2Ag⁺(aq) => Zn⁺²(aq) + 2Ag(s)

Given E⁰ = 1.562v

Qc = [Zn⁺²(aq)]/[Ag⁺]² = (1 x 10ˉ³)/(0.150)² = 0.044

E = E⁰ -(0.0592/n)logQc = 1.562v – (0.0592/2)log(0.044) = 1.602v

4 0
3 years ago
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Which horizon has the least weathered rocks? How do you know?
ollegr [7]

Answer:

C: The C horizon is a subsurface horizon. It is the least weathered horizon. Also known as the saprolite, it is unconsolidated, loose parent material. The master horizons may be followed by a subscript to make further distinctions between differences within one master horizon.

Explanation:

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What is the volume occupied by 2.50 moles of oxygen gas at STP
oee [108]
1 mole of any gas  under STP has volume 22.4 L
So 2.50 moles of any gas ( including oxygen)
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What is the cation and anion of NaOH
Wewaii [24]

Answer:

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Explanation:

hope this helps

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3 years ago
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