Answer:where did you get this
Explanation:
So 6.02*10^22 is avogadro constant, which is the amount of atoms in one mole. If you look Xenon up in the periodic table you will find it's mass given <span>131,293, which is grams per 1 mole.
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Answer:
<h2>22.366 kPa</h2>
Explanation:
The final pressure can be found by using the formula for Boyle's law which is
Since we are finding the final pressure
From the question
58.6 kPa = 58600 Pa
We have
We have the final answer as
<h3>22.366 kPa</h3>
Hope this helps you
Answer:
I₂ + H₂O --------→ HI + HIO
Explanation:
Iodine is not fully dissolve in water but only dissolve up to some extent.
When iodine was mixed with water it give mixture of two products.
- Hydrogen iodide or hydroiodic acid (HI)
- Hypoiodous acid (HIO)
So the balance reaction is as under
I₂ + H₂O --------→ HI + HIO
All the reactant are one mole and one one mole of each product produced in the shown reaction.
This is a reversible reaction and only 0.05% of Iodine molecule react with water and the other Iodine molecule remain in water unreacted.
Answer:
106,504 g/mol
Explanation:
The two repeat units at the polymer are the acrylonitrile and the butadiene. If the fraction of repeat of butadiene is 0.27, the fraction of repeat of units of acrylonitrile must be 0.73.
The acrylonitrile repeat unit has 3 carbons atoms, 1 nitrogen atom, and 3 hydrogen atoms. So, the molecular weigth for it is:
mac = 3*mC + 1*mN + 3*mH
mC = 12 g/mol; mN = 14 g/mol; mH = 1g/mol
mac = 3*12 + 14 + 3*1 = 53 g/mol
The butadiene repeat unit has 4 carbons atoms and 6 hydrogen atoms. Thus, the molecular weight is:
mbu = 4*12 + 6*1 = 54 g/mol
The average repeat unit molecular weight is the fractions multiplied by the molecular weight of the repeat unities:
m = 0.73*53 + 0.27*54 = 53.27 g/mol
The number-average molecular weight is the average repeat unit molecular weight multiplied by the degree of polymerization:
M = 53.27*2000
M = 106,504 g/mol
