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harkovskaia [24]
3 years ago
14

A gas tank contains 3 gases (N2, O2, CO2). The total pressure of the gases is 825 mmHg. If the pressure of CO2 in 125 mmHg and t

he pressure of O2 is 350 mmHg, what is the partial pressure of N2 gas?
Chemistry
1 answer:
Juliette [100K]3 years ago
3 0

Answer:350 mmHg

Explanation:

use Dalton’s law:

P Total = P gas 1 + P gas 2 + P gas 3

825= P1+ 350+ 125

350+125=475

825-475= 350

P1= 350 mmHg

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Answer:

6

Explanation:

The number of hydrogen atoms in the given compound is 6 atoms.

  Given compound is:

              3H₂CO₃

An atom is the smallest indivisible particles of an element.

  In the compound;

             3H₂CO₃

          Elements          Number of atoms

               H                       3(2)  = 6

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               O                       3(3)    = 9

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5 0
3 years ago
Which is the smallest part of a compound called?
lidiya [134]
The answer is molecule

6 0
4 years ago
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{\qquad\qquad\huge\underline{{\sf Answer}}}

Here we go ~

Energy difference btween the two electronic states can be expressed as :

{ \qquad \sf  \dashrightarrow \: \Delta E = h\nu}

[ h = planks constant,{\: \nu }= frequency ]

\qquad \sf  \dashrightarrow \:214.68 = 39.79 \times 10 {}^{ - 14}  \times  \nu

\qquad \sf  \dashrightarrow \: \nu =  \cfrac{214.68}{39.79 \times 10 {}^{ - 4} }

\qquad \sf  \dashrightarrow \: \nu =  \cfrac{214.68}{39.79 }  \times 10 {}^{14}

\qquad \sf  \dashrightarrow \: \nu  \approx  5.395 \times10 {}^{14}  \:\:hertz

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okay.

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3 years ago
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Musya8 [376]

Answer:

See below

Explanation:

It is neither, at least not at room temperature.

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7 0
3 years ago
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