2 years ago

Which chemical formula represents both an element and a molecule?

Chemistry

1 answer:

victus00 [196]2 years ago

5 0

Answer:

Explanation:

element - a basic substance that can't be simplified (hydrogen, oxygen, gold, etc...) molecule - two or more atoms that are chemically joined together (H2, O2, H2O, C6H12O6, etc...) compound - a substance that contains more than one element (H2O, C6H12O6, etc...)

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Anna [14]

Answer:

35.50

Explanation:

There are two stable isotopes, 35Cl (75.77%) and 37Cl (24.23%), giving chlorine a standard atomic weight of 35.45

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3 years ago

True or False? Limiting cultivation increases compaction.

solmaris [256]

I believe the answer is true

3 0

3 years ago

A large natural gas storage tank is arranged so that the pressure is maintained at 2.20 atm. On a cold day in December when the

irakobra [83]

Answer:

V₂= 33581.4 ft³

Explanation:

Given data:

Initial temperature = -15 °C (-15+273 = 258 k)

Initial volume = 28500 ft³

Final temperature = 31 °C (31+273 = 304)

Final volume = ?

Solution:

According to the Charles's law

Temperature and volume are directly related to each other.

V₁/T₁ = V₂/T₂

V₂ = V₁×T₂ /T₁

V₂ = 28500 ft³ × 304 k / 258 k

V₂ = 8664000 ft³.k/ 258 k

V₂= 33581.4 ft³

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4 years ago

A compound contains only iron, fe, and oxygen, o. the compound is 72.30% iron and 27.64% oxygen. what is the empirical formula f

bagirrra123 [75]

Answer:

100 g of the compound contains 72.36 g of iron and 27.64 g of oxygen.

Ratio of atoms of Fe and O, Fe : O = 72.36/56 : 27.64/16 = 1.292 : 1.727 = 1 : 1.33 = 3 : 4

Therefore, the empirical formula of the compound is Fe3O4.

Explanation:

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2 years ago

How can you get rich from sand?

max2010maxim [7]

Answer:

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Explanation:

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