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VLD [36.1K]
3 years ago
8

What does it mean for a chemical to have a low potential energy?

Chemistry
1 answer:
katrin [286]3 years ago
4 0
Low potential energy means there are fewer chemical bonds so H2O has Less than C6H12O6 because their are less valence electrons making bonds with others. in an endothermic reaction heat goes into the product so the reactants would have less potential energy.
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Round off 318.90 to 2 significant figures
motikmotik

Answer:

320

Explanation:

Because the question is asking for 2 significant figures, you want to try to get rid of all of the numbers to the right of the 1. That way, the only numbers that will be significant are the numbers in the position of the 3 and the 1.

Before you can make the rest of the numbers equal 0, you need to correctly round the number in the last significant position (the number 1).

If the number to the right of the 1 is from 0-4, the number stays the same. If the number is from 5-9, the 1 needs to be increased by a unit.

Since the number to the right is an 8, you need to change the 1 to a 2. Now, you can make all of the other numbers a 0. There should be no decimal place because it would mean that the zero to the left of it is significant.

6 0
1 year ago
Which of the following is an example of eukaryotic cells?<br> animals<br> bacteria<br> archaea
ElenaW [278]

Answer:

Animals

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8 0
2 years ago
What are the 4 major macromolecules
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8 0
3 years ago
Mg(OH)2 + HCl --&gt; MgCl2 + H2O
Rashid [163]
I am guessing you want us to balance this equation so.
To balance, we add another molecule of HCl to the left side of the equation and another molecule of water (H20) to the right side of the equation to give: 

<span>Mg(OH)2 + 2HCl = MgCl2 + 2H20 </span>
6 0
3 years ago
Three chemical reactions of ethane?
Otrada [13]

Answer:

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