3 years ago

Hii

Chemistry

2 answers:

inn [45]3 years ago

8 0

Answer:

that seems pretty cool

Explanation:

-BARSIC- [3]3 years ago

4 0

Answer:

im interrested

Explanation:

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Give the symbol of the atom with the electron configuration 1s22s22p63s23p64s23d104p65s24d2 ?

AVprozaik [17]

Answer:

Zirconium

Explanation:

The total amount of electrons is 40, meaning the element must be zirconium, given the atom is not a cation or anion.

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3 years ago

The sodium chloride molecule breaks apart in water. what does a represent

yarga [219]

What represent ???( the molecules get dissolved in water)..

5 0

4 years ago

At 304 K, a 9.6 L tank contains 1.9 moles of H2 gas under an unknown pressure in atm. What is the pressure of the gas in the tan

ratelena [41]

Answer:

The pressure is 4.939 atm

Explanation:

As we know

PV = nRT

where P is the pressure

V is the volume

n is the total number of moles

R is the gas constant

and T is the temperature

Substituting the given values we get -

$P * 9.6 = 1.9 * 0.0821 *304\\P = 47.420/9.6\\P = 4.939$

The pressure is 4.939 atm

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3 years ago

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Element in the periodic table are arranged by

lyudmila [28]

elements in the periodic table are arranged by the atomic number of the element

6 0

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Please please help !!!

lubasha [3.4K]

Answer:

They don't go below 60

Explanation:

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3 years ago