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Ilia_Sergeevich [38]
2 years ago
12

True or False: longitudinal waves move up and down

Chemistry
2 answers:
svet-max [94.6K]2 years ago
8 0
True I think I’m not for sure
mariarad [96]2 years ago
5 0
True is the answer I think
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Which pair of compounds are structural isomers of each other? pentane and 2-methyl pentane pentane and hexane hexane and 2-methy
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Hexane and 2-methylpentane. If you draw the structures out, you can see that both isomers have 6 carbon atoms and 14 hydrogen atoms. Hence they have the same molecular formula but a different structural formula. I suggest drawing the compounds out for these types of questions to visualise it.
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3 years ago
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Which is a common way for a scientific calculator to show the number below? <br> 8.1 102
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Answer: 8.1e+2 or 8.1E+2 (in the scientific notation mode), based on that the number given is 8.1 × 10².

Explanation


Scientific calculators use the letter e or E to show the numbers in scientific notation mode.

These are some examples of numbers that require scientific notation and how they are shown.

Number                 Scientific calculator display

6.022 × 10²³           6.022 e+23
5 × 10 -12              5 E -12

So, understanding that your question is about number 8.1 × 10², the scientific calculator could show  8e+2.

Nevertheless, since 8 .1 × 10² is 810, not a long number, if the display is not in scientific notation mode, it could just display just 810,

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3 years ago
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Explanation:

Below is an attachment containing the solution.

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Easons for the dense packing in metals <br>​
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Explanation:

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