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It’s c had this problem last week
Ideal gas law
Explanation:
The ideal gas law relates the temperature, pressure, volume and the number of moles of a gas under perfect conditions.
The ideal gas law is a combination of:
Boyle's law- "the volume of a fixed mass of gas varies inversely as the pressure changes if the temperature is constant"
Charles's law - "the volume of a fixed mass of a gas varies directly as its absolute temperature if the pressure is constant"
Avogadro's law - "equal volumes of all gases at the same temperature and pressure contains equal number of molecules".
The law gives:
PV = nRT
where:
P is the pressure of the gas
V is the volume of gas
n is the number of moles
T is the temperature
R is the gas constant
Learn more:
Ideal gas law problems brainly.com/question/13064292
#learnwithBrainly
Make up a mixture.
Example is water and sand, it is blended together but not chemically. It is by physical combination of just addition of the two substances.
But if it elements are chemically combined a compound would be formed.
<h3><u>Answer</u>;</h3>
pH = 4.38
<h3><u>Explanation;</u></h3>
Consider that ;
[H3O+] = 10-pH mol/L
Therefore; the pH is the -log of the [hydronium ion].
pH = - log [H3O+]
Thus;
pH = - log (4.2 × 10^–5)
= 4.38
