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Studentka2010 [4]
3 years ago
11

PLEASE HELP ASAP.... Part Two

Chemistry
1 answer:
AnnyKZ [126]3 years ago
8 0
I found this so this might help you

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What is the 2nd most abundant element in the earths crust
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Silicon is the second most abundant element in the Earth´s crust and makes up around 27% of it.

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why do valence electrons form bonds to create molecules and compounds? A. they are weaker than the electrons found closer to th
Crazy boy [7]

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grouping pairs

Explanation:

7 0
3 years ago
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CHEM
castortr0y [4]
Molarity = moles / liter

a) M = 2/4 = 0.5 M

b) Moles = 4/(30 + 16 + 1)
= 0.085
M = 0.085 / 2 = 0.0425 M

c) Moles = 5.85 / (23 + 35.5)
= 0.1
M = 0.1 / 0.4
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3 0
3 years ago
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Several properties of water are shown. Classify each property as a physical property or a chemical property.
max2010maxim [7]

can be split into hydrogen and oxygen             chemical property

is liquid at room temperature                              physical property

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reacts with certain metals                                  chemical property

Explanation:

The physical properties of matter are the properties that occur when no change is occurring to a matter. They are usually observed with our senses or some simple laboratory experiments.

Some of the physical properties are boiling point, density, state of matter, e.t.c

The chemical properties are the properties that occurs when a matter undergoes some chemical changes.

For example rusting, decomposition, reactivity e.t.c

Learn more:

Chemical properties brainly.com/question/2376134

#learnwithBrainly

8 0
3 years ago
Based on the information in the graph, what is the relationship between air temperature and the amount of water vapor that the a
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1 i think

Explanation:

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