2 years ago

To find the atomic mass of a particular atom you need to know

Chemistry

2 answers:

Andreyy892 years ago

5 0

You just need the number of protons and number of neutrons as the mass of eelctrons is negligible

Kipish [7]2 years ago

5 0

Answer:

C. the number of protons and neutrons

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Given a gas whose temperature is 418 K at a pressure of 56.0 kPa. What is the pressure of the gas if its Temperature changes to

Rainbow [258]

Answer: P₂=0.44 atm

Explanation:

For this problem, we are dealing with temperature and pressure. We will need to use Gay-Lussac's Law.

Gay-Lussac's Law: $\frac{P_{1} }{T_{1} } =\frac{P_{2} }{T_{2} }$

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64+273K=337K

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$56.0kPa*\frac{1000Pa}{1kPa} *\frac{atm}{101325Pa} =0.55atm$

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$P_{2} =\frac{T_{2} P_{1} }{T_{1} }$

$P_{2}=\frac{(337K)(0.55atm)}{418K}$

P₂=0.44 atm

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