3 years ago

What is the effect of adding heat to a gas at constant pressure?

1 answer:

5 0

The gas particles will move faster since adding heat will make particles faster. If the gas particles is in a container the container will explode because it can't handle it.

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HURRY PLEASE

Allushta [10]

C) coal !
Have a nice day!\
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3 years ago

Which ingredient has the highest amount of calcium? *

sp2606 [1]

The answer is Cheese

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3 years ago

I don't get it<br> Is a Flubber solid, liquid or gas?

Marianna [84]

Flubber would be considered an amorphous solid.<span />

7 0

4 years ago

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A solution of HCOOH has 0.16M HCOOH at equilibrium. The Ka for HCOOH is 1.8×10−4. What is the pH of this solution at equilibrium

kotykmax [81]

Answer:

$pH=2.28$

Explanation:

Hello,

In this case, for the acid dissociation of formic acid (HCOOH) we have:

$HCOOH(aq)\rightarrow H^+(aq)+HCOO^-(aq)$

Whose equilibrium expression is:

$Ka=\frac{[H^+][HCOO^-]}{[HCOOH]}$

That in terms of the reaction extent is:

$1.8x10^{-4}=\frac{x*x}{0.16-x}$

Thus, solving for $x$ which is also equal to the concentration of hydrogen ions we obtain:

$x=0.00528M$

$[H^+]=0.00528M$

Then, as the pH is computed as:

$pH=-log([H^+])$

The pH turns out:

$pH=-log(0.00528M)\\\\pH=2.28$

Regards.

7 0

4 years ago

Veins carry what type of blood from all the parts of the body back to the heart

Nana76 [90]

Answer:

The veins (blue) take oxygen-poor blood back to the heart. Arteries begin with the aorta, the large artery leaving the heart. They carry oxygen-rich blood away from the heart to all of the body's tissues.

Explanation:

hope this helps

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2 years ago

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