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3 years ago

What is the atomic number of an atom that has 6 protons

Chemistry

1 answer:

guapka [62]3 years ago

7 0

Answer:

Its atomic mass is 14 ( = 6 protons + 8 neutrons). In chemistry, the number of protons in an atom is more important than the number of neutrons. Scientists call the number of protons the "atomic number"

Explanation:

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3 years ago

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A gas is contained in a thick-walled balloon. When the pressure changes from 39.1 bar to 87.0 bar the volume changes from blank

lidiya [134]

Answer: -

1.34 L

Explanation: -

Initial Pressure P 1 = 39.1 bar

Initial Temperature T 1 = 643 K

Let the initial volume be V 1.

Final pressure P 2 = 87.0 bar

Final temperature T 2 = 525 K.

Final volume V 2 = 0.492 L

Using the equation

$\frac{P1 V 1}{T1} = \frac{P 2 V 2}{T2}$

$V 1 = \frac{P2 V2 T1}{P 1 T2}$

Plugging in the values

We have

V 1 = 87 bar x 0.492 L x 643 K / (39.1 bar x 525 K)

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