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Katena32 [7]
3 years ago
15

If an ocean current is moving northward from Antarctica and up the coast of Africa, the climate of the coastal land would be....

..(choose one of the following)
A. cooled


B. warmed) by this cold current.
Chemistry
1 answer:
Illusion [34]3 years ago
8 0

Answer:

I would say a cooled

Explanation:

because yeah it's going to be cold when it travels from Antarctica but then it's going on towards Africa and yeah the water is going to get warmth but it's going to cool the land of Antarctica because it's so dry and hot and humid but the water is going to be more warmed because Antarctica the water is freezing so you're trying to ask the temperature of the water it'd be more warm if you're trying to ask kind of like the temperature of the land it would be cooled

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Calculate δ h for the reaction:no (g) + o2 (g) ↔ no2 (g). given: 2o3(g) ↔ 3o2(g) δh=-426 kj o2(g) ↔ 2o(g) δh=+ 490 kj no(g) + o3
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To calculate the <span>δ h, we must balance first the reaction: 

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O2 -----> 2O    </span><span>δ h = 490 kj             eq. (2)

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We divide eq. (1) by 2, we get

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Then, we subtract eq. (3) by eq. (4) 

NO + O3 ----->  NO2 + O2   δ h = -200 kj
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NO -----> NO2 - 0.5O2        δ h = 13  kj               eq. (5)


eq. (2) divided by -2. (Note: Dividing or multiplying by negative number reverses the reaction)

O -----> 0.5O2  <span>δ h = -245  kj         eq. (6)
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Add eq. (6) to eq. (5), we get

NO -----> NO2 - 0.5O2        δ h = 13  kj 
+  O -----> 0.5O2                 δ h = -245  kj
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<em>ANSWER:</em> <em>NO + O ----> NO2               δ h = -232 kj</em>


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