Answer:
millions
Explanation:
the 1 is seven decimbal places to the left (seven places left of zero), which is the millions place
[CO] = 1 mol / 2L = 0.5 M
[
According to the equation:
and by using the ICE table:
CO(g) + H2O(g) ↔ CO2(g) + H2(g)
initial 0.5 0.5 0 0
change -X -X +X +X
Equ (0.5-X) (0.5-X) X X
when Kc = X^2 * (0.5-X)^2
by substitution:
1.845 = X^2 * (0.5-X)^2 by solving for X
∴X = 0.26
∴ [CO2] = X = 0.26
Two atoms of the same element must have the same number of : PROTONS
Answer:
a. 
b. 
Explanation:
Hello,
a. In this case, the overall reaction is:

Nevertheless, the ionic version is:

Since the base is insoluble, thereby, the balanced net ionic equation turns out:

Since bromide ions become spectator ions.
b) In this case, the overall reaction is:

Nevertheless, the ionic version is:

Since lead (II) iodide is insoluble whereas lithium nitrate does not, thereby, the net ionic equation turns out:

Since lithium and nitrate ions become spectator ions.
Regards.