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3 years ago

6

Combining Boyle's law and Charles' law forms one presure-temperature-volume relationship and holds the mass of the gas constant.

Which equation represents the relationship of the combined gas law?

1 answer:

Oksanka [162]3 years ago

4 0

(P1V1/T1)=(P2V2/T2)

I just took the test and this should be correct

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How many molecules are in 3.2 mol of ammonia,NH3

EastWind [94]

Here we are talking about ammonia which is a molecule. Now 1 mole of ammonia also contains 6.022<span> * 10^</span>23 molecules<span> of ammonia. In one molecule of ammonia,we have 1 nitrogen atom and 3 hydrogen atom.</span>

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3 years ago

Calculate the number of moles of solute in 16.55 mL of 0.1475 M M2Cr3O7

aliina [53]

Number of moles of solute in 16.55 mL of 0.1475 M M2Cr3O7 is 0.00244 moles.

<u>Explanation:</u>

The properties and behavior of many solutions depend not only on the nature of the solute and solvent but also on the concentration of the solute in the solution. Molarity (M) is the concentration of a solution expressed as the number of moles of solute per liter of solution:

$Molarity = \frac{moles-solute}{lites-solution}$ ,

Here , $litres-solution = \frac{16.55}{1000} l = 0.01655l$ .

⇒ $Molarity = \frac{moles-solute}{lites-solution}$

⇒ $0.1475 = \frac{moles-solute}{0.01655}$

⇒ $moles-solute = 0.01655(0.1475)$

⇒ $moles-solute = 0.00244$

Therefore, Number of moles of solute in 16.55 mL of 0.1475 M M2Cr3O7 is 0.00244 moles.

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2 years ago

88.5 mol of P4O10 contains how many moles of P?

ra1l [238]

This problem can be solved directly using stoichiometry. We can actually see that for every mol of P4O10, there are 4 moles of P. Therefore the total moles of P is:

moles P = 88.5 moles P4O10 * (4 moles P / 1 mole P4O10)

<span>moles P = 354 moles P</span>

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