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kodGreya [7K]
3 years ago
5

Which statement correctly describes an endothermic chemical reaction?

Chemistry
1 answer:
Natasha2012 [34]3 years ago
7 0
An endothermic chemical reactions products tend to have a higher potential energy than the reactants. Thus making the /\ H positive, not negative. 
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The line graph shows the heights of plants grown in fertilized and unfertilized soil. Based on this information, what will most
Helen [10]

Answer:

  • <u><em>g) Neither plant should increase by 1 cm in height.</em></u>

Explanation:

See the graph for this question on the figure attached.

The growing of the <em>plant A</em> is represented by the line that goes above the other. At start, that line has a slope that rises about 0.75 cm ( height increase) in 1 day. From the day 2 and forward the slope of the line decreases. The line reaches its highest point about at day 4 and seems to start decreasing. Thus, you should predict that on the day six it <em>most likely </em>does not increase in height.

The growing of the <em>plant B</em> is represented by the line drawn below the other. As for the plant B, the growing decreases with the number of days. Between the days 4 and 5 the line is almost flat, which means that <em>most likely</em> this plant will not grow on the day six or grow less than 0.5 cm.

Thus, for both plants you can say that <em>on day six, most likley, neither should increase by 1 cm in height (</em>option g).

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Which of these 2A elements has the largest atomic radius?
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What is the basic unit of structure and function in all living things? a cell b organism c atom d plasma
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