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rodikova [14]
3 years ago
7

Poh of a solution with a ph of 5.00

Chemistry
1 answer:
creativ13 [48]3 years ago
8 0

Answer:

9

Explanation:

14-5.=pOH

- Hope that helps! Please let me know if you need further explanation.

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When two species A and B form an electron-pair bond and A does not provide its electrons for bonding, the bond present between A
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Answer:

Ionic

Explanation:

If A does not have electron to bond, it just receives one electron from B.

It can´t be covalent because A don´t have any electrons to bond with B.

5 0
2 years ago
An automated filling machine is used to fill bottles with liquid detergent. A random sample of 20 bottles results in a sample va
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Answer:

No, there is no evidence that the manufacturer has a problem with underfilled or overfilled bottles, due that according our results we cannot reject the null hypothesis.

Explanation:

according to this exercise we have the following:

σ^2 =< 0.01 (null hypothesis)

σ^2 > 0.01 (alternative hypothesis)

To solve we can use the chi-square statistical test. To reject or not the hypothesis, we have that the rejection region X^2 > 30.14

Thus:

X^2 = ((n-1) * s^2)/σ^2 = ((20-1)*0.0153)/0.01 = 29.1

Since 29.1 < 30.14, we cannot reject the null hypothesis.

4 0
3 years ago
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Martin slowly pours an unknown liquid into a container that originally had some water in it. He is measuring the temperature in
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B. a chemical change
8 0
2 years ago
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