3 years ago

Which formulas could represent the empirical formula and the molecular formula of a given compound?

Chemistry

1 answer:

Alina [70]3 years ago

7 0

Answer:

Explanation:

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How many atoms of each element are in the following compound:<br> C3H5(NO3)3

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Answer:

Hydrogen: 5

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Jan Baptista van Helmont did an important experiment related to photosynthesis. He weighed a small willow tree and a pot of soil

Georgia [21]

Answer:

Explanation:

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What is the layer of Earth's atmosphere that has the coldest temperature range?

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3 years ago

Can someone please help me

Margarita [4]

I think it is the first choice

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3 years ago

Read 2 more answers

Give the complete ionic equation for the reaction (if any) that occurs when aqueous solutions of lithium sulfide and copper (II)

Aloiza [94]

Answer:

$2Li^+_{(aq)}+S^{2-}_{(aq)}+Cu^{2+}_{(aq)}+2NO_3^{-}_{(aq)}\rightarrow CuS_{(s)}+2Li^+_{(aq)}+2NO_3^{-}_{(aq)}$

Explanation:

Complete ionic equation : In complete ionic equation, all the substance that are strong electrolyte and present in an aqueous are represented in the form of ions.

The balanced molecular equation will be,

$Li_2S_{(aq)}+Cu(NO_3)_2_{(aq)}\rightarrow CuS_{(s)}+2LiNO_3_{(aq)}$

The complete ionic equation in separated aqueous solution will be,

$2Li^+_{(aq)}+S^{2-}_{(aq)}+Cu^{2+}_{(aq)}+2NO_3^{-}_{(aq)}\rightarrow CuS_{(s)}+2Li^+_{(aq)}+2NO_3^{-}_{(aq)}$

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3 years ago