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Lubov Fominskaja [6]
3 years ago
5

The pH scale from 7 to 14 is for a(n) What .

Chemistry
1 answer:
Inessa [10]3 years ago
7 0
The pH scale from 7-14 means it is a base

A substance used to determine pH is an indicator

Commonly used acid indicator is litmus paper (aka pH paper)

Hope this helps! Let me know if you need more help!
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Capsaicin, the compound that gives the hot taste to chili peppers, has the formula C18H27NO3. Its molar mass is 305.42 g/mol. Ca
stellarik [79]
Molar mass = 305.42 g/mol

C = ( 12 x 18 / 305.42 ) x 100 => 70.72 % of C

H = ( 1 x 27 / 305.42 ) x 100 => 8.84 % of H

N = ( 14 x 1 / 305.42 ) x 100 => 4.58 % of N

O = ( 16 x 3 / 305.42) x 100 => 15.71% of O

hope this helps!
5 0
3 years ago
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What will the sun become when it dies
Nina [5.8K]

Answer:

It will become a red giant

Explanation:

When the sun runs out of its hydrogen fuel and the hydrogen atoms are combined together to make helium atoms, it expands into a red giant, which is made up of helium atoms and gases.

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3 years ago
Fossil age can determine organism changes related to the time scale. Please select the best answer from the choices provided T F
Oksi-84 [34.3K]

Answer:

True

Explanation:

Fossil age can determine organism changes related to the time scale. Fossils provide scientists with evidence that allows them to hypothesize how living organisms have evolved over time.

fossil can be studied to determine what kind of organism it represents, how the organism lived, and how it was preserved. However, by itself a fossil has little meaning unless it is placed within some context. The age of the fossil must be determined so it can be compared to other fossil species from the same time period. Understanding the ages of related fossil species helps scientists piece together the evolutionary history of a group of organisms.

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Help!! 15 Points!<br><br> Science!
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In order from the first question to the last:
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6 0
3 years ago
How do you convert 16.7 inches to feet?
beks73 [17]
There are 12 inches in a foot.

16.7 in ÷ 12 in = 1.39 ft

Or if you prefer to the nearest tenth:

1.4 ft.

Good luck! :)
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