Answer:
H2-1
H2+-1/2
H22- zero
Explanation:
Bond order= Bonding electrons-antibonding electrons/2
In H2, there are two bonding electrons and no antibonding electrons. In H2+ there is only one bonding electron and no antibonding electron while in H22- there are two bonding and two antibonding electrons respectively.
Answer:
1. Solid phase.
Explanation:
The molecules in a solid are held in a definite pattern which is not true of a liquid or gas.
Answer:
how much matter is in an object
Explanation:
mole fraction of potassium bromide = 0.23
Explanation:
We define mole fraction of a specific compound in a mixture as:
mole fraction of a compound = number of moles of the compound / total number of moles
in our case we have:
number of moles of potassium bromide = 3 moles
total number of moles = number of moles of potassium bromide + number of moles of water
total number of moles = 3 + 10 = 13 moles
mole fraction of potassium bromide = 3 / 13 = 0.23
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mole fraction
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Answer is: 5888 grams of CH₃OH.
Chemical reaction: CO + 2H₂ → CH₃OH.
m(CO) = 5,6·10³ g = 5600 g.
m(H₂) = 1,0·10³ g = 1000 g.
n(CO) = 5600 g ÷ 28 g/mol
n(CO) = 200 mol, limited reactant.
n(H₂) = 1000 g ÷ 2 g/mol.
n(H₂) = 500 mol.
from reaction: n(CO) : n(CH₃OH) = 1 : 1.
n(CH₃OH) = n(CO) = 200 mol.
m(CH₃OH) = 200 mol · 32 g/mol · 0,92.
m(CH₃OH) = 5888 g.
