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Ostrovityanka [42]
2 years ago
11

Why is the first one (A) correct?

Chemistry
1 answer:
skelet666 [1.2K]2 years ago
6 0

Answer: yes it is correct

Explanation: the higher it is the cooler.

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PLEASE HELP ITS DUE TODAY
dimulka [17.4K]

Answer:

2nd one and last one

Explanation:

im just that smart

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When a scientific investigation runs for several years, which is most likely true?
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1. Many different hypotheses will be tested.

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Scientists test every hypothesis they make for their investigation, before moving onto bigger conclusions.

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If 316 mL nitrogen is combined with 178 mL oxygen, what volume of N2O is produced at constant temperature and pressure if the re
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Answer;

=259 ml

Explanation;

-According to Gay Lussac's Law of Combining Volumes when gases react, they do so in volumes which have a simple ratio to one another, and to the volume of the product formed if gaseous, provided the temperature and pressure remain constant.

-Thus; from the volume of nitrogen and oxygen gases; we have; 316 / 178 = 1.775 moles of nitrogen gas per mole of oxygen gas.

-Therefore, nitrogen gas is the limiting reactant, and for each mole of nitrogen gas used, we will get 1 mole of N2O. This means the resulting volume of N2O with 100% yield will be the same as the volume of nitrogen gas used, thus, 100% yield will produce 316 mL.

However, with 82% yield the volume would be; 316 × 82/100 =259 ml

Therefore; the volume of N2O at 82% yield will be 259 ml

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The correct answers would be A, and D

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Which is an example of a covalent bond? Chlorine accepts an electron from calcium to form a stable bond. Ions in a bar of pure i
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Chlorine + Calcium --> Ionic Bond
Iron cannot covalently bond as it is a metal
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