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dmitriy555 [2]
3 years ago
15

When the products of a reaction have less energy than the reactants:

Chemistry
2 answers:
abruzzese [7]3 years ago
7 0
The answer is that the reactants lost internal energy 
iragen [17]3 years ago
4 0
The answer is C <span>The reactants lost internal energy.</span>
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A sample of a substance containing only magnesium and chlorine was tested in the lab and was found to be composed of 74.5% chlor
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Use a ratio to find out that x/190.2 = 74.5/100 

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8 0
3 years ago
GIVING BRAINLIEST!!!!!!!!
Arte-miy333 [17]

Answer:

It can't be done.

Explanation:

If you have only 5.4 g of oxygen, the most lithium oxide you can get is 7.7 g.

Only 2.3 g of lithium will react. and the other 22.3 g of lithium will not be used.

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3 years ago
Suppose that a certain fortunate person has a net worth of $77.0 billion ($). If her stock has a good year and gains $3.20 billi
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Answer:

New net worth to three significant figures = $80.2 billion

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$80,200,000,000/100 = $802,000,000

3 0
3 years ago
Therefore, the independent variable was<br> and the dependent<br> variable was
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Answer:

The two main variables in an experiment are the independent and dependent variable. An independent variable is the variable that is changed or controlled in a scientific experiment to test the effects on the dependent variable. A dependent variable is the variable being tested and measured in a scientific experiment.

5 0
3 years ago
Read 2 more answers
What is the solution to the problem expressed to the correct number of significant figures
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I don't know what the problem is, but here are some rues to help you out:

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  2. When a zero falls between non-zero digits, that zero is significant.
  3. When a zero falls after a decimal point, that zero is significant.
  4. When multiplying and dividing significant figures, the answer is limited to the number of sig figs equal to the least number of sig figs in the problem.
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4 0
3 years ago
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