Answer:
The reaction quatient Q is 0.306
Explanation:
Step 1: data given
Volume = 2.50 L
Temperature = 1100 K
Number of moles C = 6.75 moles
Number of moles H2O = 13.5 moles
Number of moles CO = 3.10 moles
Number of moles H2 = 9.00 moles
Step 2: The balanced equation
C(s)+H2O(g)⇌CO(g)+H2(g)
Step 3: Calculate the concentration
Concentration = moles / volume
[C] = 6.75 moles / 2.5 L
[C] = 2.7 M
[H20] = 13.5 moles / 2.5 L
[H2O] = 5.4 M
[CO] = 3.10 moles / 2.5 L
[CO] = 1.24 M
[H2] = 9.00 moles / 2.5 L
[H2]= 3.6 M
Step 4: Calculate Q
Q = [CO][H2] / [C][H2O]
Q = (1.24 * 3.6)/(2.7*5.4)
Q = 0.306
The reaction quatient Q is 0.306
Answer:
In an acidic solution i.e pH is lower than 7 has higher concentration of hydronium ions compare to the hydroxide ions.
Explanation:
Acidic solutions are those solutions which have pH value less than 7.
Alkaline solutions are those solution which has pH more than 7.
Neutral solutions are those solution which has pH value equal to 7.
The pH of the solution is defined as negative logarithm of hydronium ion concentration present in an aqueous solution .
- Higher pH value indicates that hydronium ions present in the solution are less than the hydroxide ions.
- Lower pH value indicates that hydronium ions present in the solution are more than the hydroxide ions.
So, in an acidic solution i.e pH is lower than 7 has higher concentration of hydronium ions compare to the hydroxide ions.
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