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ira [324]
3 years ago
7

How do you know when a boy likes you? A. He talks to you a lot B. He is mean to you C. He hugs you a lot D. He tries to take you

r stuff from you
Chemistry
2 answers:
Kaylis [27]3 years ago
4 0

Answer:

I guess it is A he talks to u alot but boys are different so it could be each one u know?

I am Lyosha [343]3 years ago
3 0

Answer:

I feel it would be C or D but more likely to be D

Explanation:

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a student needs to use 0.575 moles of sodium chloride in an experiment. How many grams should he mass out?
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0.575 mol * 58.44 g/mol = 33.6 grams of NaCl

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3 years ago
How many atoms of Mg are present in 97.22 grams of Mg?
Hitman42 [59]

Answer:

b.......

Explanation:

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What is the formula of the compounds in B<br><br> pls help
grandymaker [24]

Answer:

PCl3

Explanation:

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The formular is given as; PCl3

5 0
3 years ago
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Why is it important to monitor pH levels in natural bodies of water?
AleksandrR [38]

Answer:

Since pH can be affected by chemicals in the water, pH is an important indicator of water that is changing chemically

Explanation:

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3 0
3 years ago
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A chlorine atom has a diameter of 175 picometers (pm). Please write the diameter, in metered, in scientific notation.
IrinaVladis [17]
The answer is 1.75 x 10¹⁰ m.
Scientific notation<span> refers to a mathematical expression that is  used to represent a decimal number between 1 and 10 multiplied by ten, or we can say that to write a large numbers using less digits. 
Diameter of chlorine atom = </span><span>175 picometers (pm) 
</span>175 pm = <span>0.000000000175 m
in scientific notation we will write </span>0.000000000175 m as <span>1.75 x 10</span>¹⁰ m
8 0
3 years ago
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