D d 1. What is the effect of an increase in pressure on each of the systems described by the following reactions? a CH.CH CO + CO + treat Cu + Cum PbS0x H ft" + 90, v ACAC 2. During the industrial synthesis of methanol (CH3OH), carbon monoxide (CO) reacts with hydrogen gas, For methanol, AH= -100.4 kJ/mol. a. Write the balanced chemical equation for this reaction. b. Is it better to maintain this system at a low or high temperature, to obtain a good output? c. Is it preferable to maintain this system at high or low pressure? Explain. 3. The following phase change has reached equilibrium in a closed system: het. H0HOM a. What is the effect of a reduction of volume by increasing the pressure? b. What is the effect of an increase in temperature? c. What is the effect of injecting some steam into the closed system, thus raising the pressure? Assume no temperature change. 4. Consider the system described by the following reaction: CM. + 000+H30 AH-28476 What effect would the following changes have on the concentration of the substances at equilibrium? Use Le Chtelier's principle to support your answers. a. The temperature of the container used for the reaction decreases b. The pressure increases. c. A catalyst is added. d. The volume of the container increases. e. [CO, increases 5. Using Le Chtelier's principle, explain what happens if Fe3+ (aq) ions are added to the following reaction: + SN Fear F