Chemistry, 22.05.2020 23:05 durham953

What is the total gas pressure within a container that contains oxygen (with a partial pressure of 300 mm Hg)
and nitrogen (350 mm Hg) only.
a. 50 mm Hg
c. 650 mm Hg
b. 325 mm Hg
d. 650 atm

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Standard Temperature and Pressure: 273 K and 1 atm (or 760 mm Hg) ... These are problems which involve only changes in the variables of Pressure, ... EXAMPLE: A gas sample has a pressure of 742 mm Hg at 25o C. Calculate the ... WET GASES: DALTON'S LAW states: in a mixture of gases the total pressure is

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assuming that your periodic table has eighteen columns, you should highlight the four elements in the third column from the left of the table.

explanation

neutral atoms of elements after calcium contain d electrons. the energy of d orbitals of a particular main shell lies between the energy of the s and p orbitals of the next main shell. for example, electrons in the $3d$ have energy higher than those in the $4 s$ orbital while lower than those of the $4 p$ orbital.

by the aufbau principle, electrons fill orbitals one at a time, starting from those of the lowest energy. the $4s$ orbital is therefore filled right after $3p$ orbitals and before $3 d$ orbitals.

potassium has electron configuration $[\text{ar}] 4 s^{1}$ and calcium $[\text{ar}] 4 s^{2}$ . the s orbital of a main shell holds a maximum of two electrons. the next element would thus have the electron configuration $[\text{ar}] 4 s^{2} \; 3d^{1}$ and satisfy the requirements.

a neutral atom of the element contains three electrons on top of the most recent noble gas element. it should thus be placed in the third column of the periodic table. both scandium and yttrium would satisfy the conditions. an aufbau diagram indicates that the 4f orbital is filled before the 5d. however, it appears that exceptions exists for both lanthanum and actinium. neutral atoms of the two d-block elements also demonstrate the $ns^{2} \; (n-1) p^{1}$ and should be highlighted as well.

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If you open the bottle of perfume then nothing but the smell will come out of it and yes it is a type of gas smell because it’s say it in english so i can understand better and you

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What is the total gas pressure within a container that contains oxygen (with a partial pressure of 3...

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