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Katen [24]
3 years ago
7

20 POINTS WILL GIVE BRAINLY IF ANSWERED CORRECTLY

Chemistry
1 answer:
kolbaska11 [484]3 years ago
6 0

Answer:

D

Explanation:

The answer is D- There are more collisions of air molecules against the wall of the balloon.

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For a gaseous reaction, standard conditions are 298 K and a partial pressure of 1 atm for all species. For the reaction 2 NO ( g
enyata [817]

Answer:

ΔG = -61.5 kJ/mol (<u>Spontaneous process</u>)

Explanation:

2 NO (g)  +  O₂  (g)   ⇄  2NO₂ (g)

Let's apply the thermodynamic formula to calculate the ΔG

ΔG = ΔG° + R .T . lnQ

We don't know if the gases are at equilibrium, that's why we apply Q (reaction quotient)

ΔG = - 69 kJ/mol + 8.31x10⁻³ kJ/K.mol . 298K . ln Q

How can we know Q? By the partial pressures (Qp)

P NO = 0.450atm

PO₂ = 0.1 atm

PNO₂ = 0.650 atm

Qp = [NO₂]² / [NO]² . [O₂]

Qp = 0.650² / 0.450² . 0.1 = 20.86

ΔG = - 69 kJ/mol + 8.31x10⁻³ kJ/K.mol . 298K . ln 20.86

ΔG = -61.5 kJ/mol (<u>Spontaneous process</u>)

5 0
3 years ago
3 examples of density synonyms
DENIUS [597]

frequency.

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body.

closeness.

concretion.

heaviness.

solidity.

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the area that stretches from the highest high-tide line on land out to he point of the continental shelf exposed by he lowest lo
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Is called the Intertidal zone

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3 years ago
Sodium electron configuration
Helen [10]

Answer:  [Ne] 3s¹ sodium electron configuration

8 0
3 years ago
which of the following is a balanced chemical equation for the reaction of magnesium with nitrogen gas to form magnesium nitride
ioda
So the unbalanced equation would be Mg + N^2 --> Mg^3N^2

Which means the balanced equation would be 3Mg + N^2 --> Mg^3N^2

This is balance the equation out since you now has 3 magnesium and 2 nitrogen on the left side, and 3 magnesium on 2 nitrogen on the right. Double check my work though, it's been awhile.
8 0
3 years ago
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