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3 years ago

What is the relationship between the density of the air molecules and the air pressure?

Chemistry

1 answer:

Nikolay [14]3 years ago

5 0

Pressure has the opposite effect on air density increasing the pressure increases the density

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How do transitional fossils fit with the theory of evolution

iren2701 [21]

These transitional fossils serve as evidence to Darwin's Theory of Natural Selection as conserved traits are proven to survive the test of time. This also supports evolution in a way that is shows gradual change in traits of species over generations due to change in living conditions.

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3 years ago

An object measures 6.2cm x 13.7cm x 26.9cm. Which value is the length of the object?

kotykmax [81]

Answer:

Explanation:

The length is usually the longest side.

That would mean that 26.9 is the length.

6 0

3 years ago

HELP ME PLEASE. no links.

tatiyna

Answer:

Experimental group

Explanation:

i hopes this helps let me know if im wrong:)

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3 years ago

A binary ionic compound is known to contain a cation with 51 protons and 48 electrons. The anion contains one-third the number o

7nadin3 [17]

Answer:

$SbCl_3$

Explanation:

The cation contains 51 protons and 48 electrons. The electrons are only lost not protons, so the element which corresponds to atomic number 51 is the cation which is Antimony (Sb).

Also, the charge on the cation is 51 - 48 = 3

This is because neutral atom contains the same number of electrons as protons.

Given the anion has one-third protons as cation which means thta:

Number of protons in anion = $\frac {51}{3}=17$

This corresponds to chlorine atom. The electrons are 1 greater than protons means that it has gain 1 electron.

So,

Sb Cl

3 1

Cross multiply the valency.

So, formula is $SbCl_3$

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3 years ago

How many orbitals are in the 5th energy level?

Alexandra [31]

Answer:7

Explanation:

8 0

3 years ago

Read 2 more answers