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Gekata [30.6K]
3 years ago
8

What is the average atomic mass!?

Chemistry
1 answer:
Agata [3.3K]3 years ago
6 0

Answer:

he average atomic mass of an element is the sum of the masses of its isotopes, each multiplied by its natural abundance

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The molecular formula would be Li2CO3
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3 years ago
Express the frequency in inverse seconds. n=5-->n=1
Natalija [7]

The frequencies expressed in inverse seconds are 5 s⁻¹  and 1 s⁻¹.

<h3>What is frequency?</h3>

Frequency is the number of complete cycles in a second made by a wave.

F = 1/T

F = n/t

<h3>When n = 5</h3>

F = 5/s =  5 s⁻¹ = 5Hz

<h3>When n = 1</h3>

F = 1/s =  1 s⁻¹ = 1Hz

Learn more about frequency here: brainly.com/question/254161

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2 years ago
A class is 47 min how many seconds is this ?
Sonbull [250]

Answer: 2820 seconds

1 minute = 60 seconds

Multiply the value times 60

47×60=2820

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Explanation:

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If half of the moon is always illuminated why does its appearance from earth change?
irina [24]

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The different angles the moon has from sunlight to the earth

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