3 years ago

An element's atomic number is 87. how many protons would an atom of this element have

1 answer:

5 0

atomic number is equal to proton number
so the proton number will be 87

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ivolga24 [154]

I'm guessing you mean O2 gas? This is an elemental compound. It can't be a mixture because it is composed of only 1 element. Hope I helped!

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3 years ago

erica [24]

Answer and Explanation:

$Greetings!$

$Let's~answer~your~question!$

$Partial ~pressure ~of ~gas ~can ~be ~directly~ calculated ~by ~multiplying ~the~ percentage\\ of~ pressure~ of~ gases~ to ~the ~total ~pressure.$

$\boxed{Pgas~ = ~P~total~ * \% ~P ~of ~gas}$

For % of N2 gas: 

 $100\% - (5\% + 12\%) = 83\% ~N2$ 

 $PN_2 ~= ~146~ atm~ *~ 0.83 ~ = 121.18 ~atm$ 

 $PO_2 ~= ~146~ atm~ *~ 0.12~ = 17.52 ~atm$ 

 $~PCO_2~ = ~146~ atm ~* 0.05 = 7.3 ~atm$ 

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kvasek [131]

JAPAN GOT NUKED LOL its so funny

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3 years ago

DaniilM [7]

Answer:

I am confused as to what you're asking.

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3 years ago

UNO [17]

Protons, the number of protons cannot change or the element will change as well.

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3 years ago