Effects of Pressure/Change of Volume
Demonstration
|
Step #
|
Volume of liquid + gas (in mL)
|
Indicator color
|
pH
|
|
2 & 3
|
|
|
|
|
6
|
|
|
|
|
9
|
|
|
|
|
11
|
|
|
|
2CO2
(g) + H2O (l) « CO2 (aq) + H+ (aq) + HCO3-
(aq)
1. When the
plunger of the syringe was pulled out what did that do to the volume and
pressure in the syringe? What direction did the equation shift to the reactants
or the products? Show why with a drawing of a balance and the reaction and
label what changed in the equation.
2. When the
plunger was pushed in what effect did it have on the volume and pressure in the
syringe? What direction did the equation shift to the reactants or the
products? Show why with a drawing of a balance and label what changed in the
equation.
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