Complete the sentences to explain why the molecule ch3f is polar.
2 answers:
Answer:
Yes is polar.
Explanation:
We know in polar molecules the Vector sum of all the individual bond dipole is non zero.
We know is a
hybridized molecule. Therefore, its configuration is tetrahedral with 3
bonds and on
bond .
Since fluorine is much electronegative than hydrogen. Therefore, dipole moment of bond is more than dipole moment of
bond.
Therefore, vector addition of all the bonds in hybridization is non zero due to which
is polar.
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Answer:
a) 11.55 moles of carbon dioxide gas are formed from 3.85 mole of propane.
15.4 moles of water are formed from 3.85 mole of propane.
b)0.5176 moles of water are formed from 0.647 mole of oxygen gas.
0.1294 moles of propane are consumed.
Explanation:
a) Moles of propane = 3.85 moles
According to reaction, 1 mole of propane gives 3 moles of carbon dioxide gas.
Then 3.85 moles of propane will give:
of carbon dioxide gas.
11.55 moles of carbon dioxide gas are formed from 3.85 mole of propane.
According to reaction, 1 mole of propane gives 4 moles of water gas.
Then 3.85 moles of propane will give:
of water .
15.4 moles of water are formed from 3.85 mole of propane.
b) Moles of oxygen gas = 0.647 moles
According to reaction, 5 mole of oxygen gas gives 4 moles of water.
Then 0.647 moles of oxygen will give:
of water.
0.5176 moles of water are formed from 0.647 mole of oxygen gas.
According to reaction, 5 mole of oxygen gas reacts with 1 mole of propane.
Then 0.647 moles of oxygen will give:
of propane.
0.1294 moles of propane are consumed.
Answer:
n=0.852 moles
Explanation:
Given mass is, m = 19.6 g
The molar mass of sodium is, M = 22.99 u
We need to find the no of moles in 19.6 of Sodium. We know that, no of moles is equal to given mass divided by molar mass.
So, there are 0.852 moles in 19.6 g of Sodium.