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3 years ago

600.0 mL of a gas is collected at 845.0 mmHg. What will the volume be at standard pressure?

Chemistry

1 answer:

lapo4ka [179]3 years ago

8 0

Answer:

667.105ml

Explanation:

V1VP1 / V2P2

V2=V1P1 / P2

Pressure at S.T.P is 760

V2= 600×845/760

V2=667.105ml

Therefore V2 = 667.105ml approximately

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3 years ago

When NH3(g) reacts with O2(g), the products of the combustion are NO(g) and H2O(g). What volume of O2(g) is required to react wi

arlik [135]

<u>Answer:</u> The volume of oxygen gas required is 3.75 mL

<u>Explanation:</u>

STP conditions:

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$4NH_3(g)+5O_2\rightarrow 4NO(g)+6H_2O(g)$

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3 years ago

What is the first step in the scientific process?

maxonik [38]

$\quad \huge \quad \quad \boxed{ \tt \:Answer }$

$\qquad \texttt {Observe a natural phenomenon}$

____________________________________

$\large \tt Explanation \: :$

At first scientists/researchers observe a natural phenomenon. after enough observation, they make predictions why that phenomenon is happening and the reasons that lead to that particular phenomenon. then they generate scientific hypothesis to explain that phenomenon and after getting enough data they develop tests and perform experiments. And check the results they get and at last based on the results they conclude what actually is happening.

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2 years ago

What is POH of a solution containing hydrogen ion concentration of 0.008

kotykmax [81]

Given-

Hydrogen ion concentration pH = 0.008

Now,

we know that pH + pOH = 14

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pOH = 13.992

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3 years ago