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2 years ago

Above the critical pressure, a substance is a(n) _____ fluid.

2 answers:

8 0

The correct answer among the choices given is option C. Above the critical pressure, a substance is a supercritical fluid. This fluid is any substance at a temperature and pressure above the critical point here the phases of the liquid and the gas do not exist.

Kruka [31]2 years ago

3 0

Dunno why the answer above has been reported, but they're correct, the answer is C.

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The oxidation of ammonia produces nitrogen and water via the following reaction: 4NH3(g) + 3O2(g) → 2N2(g) + 6H2O(l) Suppose the

Sonbull [250]

Answer:

The rate of consumption of $NH_{3}$ is 2.0 mol/L.s

Explanation:

Applying law of mass action to this reaction-

$-\frac{1}{4}\frac{\Delta [NH_{3}]}{\Delta t}=-\frac{1}{3}\frac{\Delta [O_{2}]}{\Delta t}=\frac{1}{2}\frac{\Delta [N_{2}]}{\Delta t}=\frac{1}{6}\frac{\Delta [H_{2}O]}{\Delta t}$

where $-\frac{\Delta [NH_{3}]}{\Delta t}$ represents rate of consumption of $NH_{3}$ , $-\frac{\Delta [O_{2}]}{\Delta t}$ represents rate of consumption of $O_{2}$ , $\frac{\Delta [N_{2}]}{\Delta t}$ represents rate of formation of $N_{2}$ and $\frac{\Delta [H_{2}O]}{\Delta t}$ represents rate of formation of $H_{2}O$ .

Here rate of formation of $H_{2}O$ is 3.0 mol/(L.s)

From the above equation we can write-

$-\frac{1}{4}\frac{\Delta [NH_{3}]}{\Delta t}=\frac{1}{6}\frac{\Delta [H_{2}O]}{\Delta t}$

Here $\frac{\Delta [H_{2}O]}{\Delta t}=3.0 mol/(L.s))$

So, $-\frac{\Delta [NH_{3}]}{\Delta t}=\frac{4}{6}\frac{\Delta [H_{2}O]}{\Delta t}$

Hence, $-\frac{\Delta [NH_{3}]}{\Delta t}=\frac{4}{6}\times 3.0 mol/(L.s)=2.0 mol/(L.s)$

6 0

2 years ago

Explain why two thin sweaters feel warmer then one thick sweater

jeyben [28]

Answer:

Two slender woolen sweaters are hotter than a thick woolen sweater in light of the fact that there is a layer of air between them that doesn't permit our body warmth to get away yet it likewise it doesn't retains heat from the climate and fleece is additionally a protector that itself doesn't permit our body warmth to get away

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2 years ago

What controls traits in organisms? A.Cell Membrane B.Cell Wall C.Genes D.Punnett Square

BARSIC [14]

Answer:

I believe it's C (the genes)

3 0

3 years ago

Read 2 more answers

Which classification best describes oxygen gas? a element b compound c solution d heterogeneous mixture

NNADVOKAT [17]

Answer:

oxygen is an element because it is a pure substance which cannot be split into simpler substances by chemical means

4 0

2 years ago

Which of the following energy does NOT travel as a wave?

frosja888 [35]

Answer:

Wind

Explanation:

It's impossible for them to travel in a wave.

3 0

2 years ago