According to the reaction equation:
and by using ICE table:
BrO- + H2O → HBrO + OH-
initial 0.555m 0 0
change -X +X +X
Equ (0.555-X) X X
when Kb = [HBrO][OH-] / [BrO-]
by substitution:
4 x 10^-6 = X^2 / (0.555-X) by solving for X
∴ X = 0.00149
∴[OH-] = X = 0.00149 m
False
1 glycerol 3 fatty acids, the other way round
Answer:
A car at a stop sign
Explanation
potential energy: something that is not moving
kinetic energy: something that is moving
The designation "4" before Na2SO3 simply means that there are four molecules of sodium sulfite.
A molecule is formed when two or more atoms of the same or different elements come together. The formula of the molecule must reflect the number of atoms from which it is formed. The designation "4" before Na2SO3 simply means that there are four molecules of sodium sulfite.
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Answer:
4.5 moles of H2O.
Explanation:
We'll begin by writing the balanced equation for the reaction. This is illustrated below:
C2H5OH + 3O2 —> 2CO2 + 3H2O
From the balanced equation above,
1 moles of C2H5OH reacted to produce 3 moles of H2O.
Finally, we shall determine the number of mole of H2O produced by the reaction of 1.5 moles of C2H5OH. This can be obtained as follow:
From the balanced equation above,
1 moles of C2H5OH reacted to produce 3 moles of H2O.
Therefore, 1.5 moles of C2H5OH will react to produce = 1.5 × 3/ 1 = 4.5 moles of H2O.
Thus, 4.5 moles of H2O will be produced.