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irinina [24]
3 years ago
10

If we find that there is a linear correlation between the concentration of carbon dioxide in our atmosphere and the global​ temp

erature, does that indicate that changes in the concentration of carbon dioxide cause changes in the global​ temperature? Choose the correct answer below. A. Yes. The presence of a linear correlation between two variables implies that one of the variables is the cause of the other variable. B. No. The presence of a linear correlation between two variables does not imply that one of the variables is the cause of the other variable.
Chemistry
1 answer:
loris [4]3 years ago
3 0

Answer:

A

Explanation:

A linear correlation means the increase in one variable cause an increase in the other variable. In a graph, the linear correlation can be demonstrated by a right-slanted straight diagonal line. Therefore if an increase in carbon dioxide causes a directly proportional increase in global temperatures then the two are correlated.

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5 0
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A bottle of a commercial reagent-grade hydrochloric acid, HCI, has the following
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The volume of concentrated HCl : 2.073 ml

<h3>Further explanation</h3>

Given

37% HCl by mass; density 1.19 g/mL

Required

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Solution

Conversion to molarity :

37% x 1.19 g/ml =0.4403 g/ml

g/ml to mol/L :

=0.4403 g/ml x 1000 ml/L : 36.5 g/mol

=12.06 mol/L

or we can use formula :

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In a chemical reaction which cannot occur:
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Explanation:

Light can't get produced whilst a chemical reaction.

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