3 years ago

Why is water less dense as a solid than a liquid? In ecological terms, why is this of particular importance?

Chemistry

1 answer:

Georgia [21]3 years ago

3 0

Persamaan setara pada reaksi besi dengan asam klorida membentuk besi (II) klorida dan gas hidrogen

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Name each of the following organic molecules.

Setler [38]

A. 2-Fluoro-3-Chlorohexane
B. 1-Bromo-2-Chloro-3-Fluorocyclopentane
C. 4-ethyl-5-methylhexane
D. 2,4,5-trimethylheptane

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3 years ago

Helppppp!!!! Please.....

Inessa05 [86]

Club soda so A, you just gotta match the color that it says for it to the chart and it’ll show the identity the ph which is four I believe It said

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3 years ago

What of the following is a Cation? A) (SO3)^-2 B) sulfate C) (Ca)^+2 D) chloride

Agata [3.3K]

Answer:c

Explanation:

I think because ca^+2

It’s loses the ion and if u look back u would see that a cation is a t charge but it’s not Goan that electron it’s losing that electron

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3 years ago

An atom with the same number of protons and electrons has charge of

xz_007 [3.2K]

Answer:

Explanation:

All the charges of the protons are cancelled out by all the charges on the electrons.

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3 years ago

***20 pts***

BartSMP [9]

Answer:

0.131 mol

Explanation:

To convert grams to moles, you need to use the molar mass. The molar mass is the mass number. You can find this on the periodic table. The molar mass of sodium is 22.990 g/mol.

(3.02 g)/(22.990 g/mol) = 0.131 mol

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3 years ago