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A compound has the following skeletal formula.

Image failed to load: A skeletal structure of 4-methylpentanal

What is the molecular formula of the compound shown?

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Name the following organic compound

Image failed to load: 2-hydroxypropanoic acid

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For the endothermic reaction:

What will happen to the position of equilibrium if the temperature is decreased?

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How many isomers are there of ?
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In the reaction: 

If the concentration of hydrogen iodide is decreased, what will happen according to Le Chatelier’s principle?

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Consider the reaction:

Image failed to load: Concentration time graph: at t, sudden increase in conc of NO, then slower decrease. Cl2 decrease same, NOCL increase by same

According to the concentration-time graph above, what event took place at time that led to the change in equilibrium concentrations shown?

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The chemical equation and concentration-time graph for the reaction are shown below.

Image failed to load: Concentration-time graph for Cl2(g)+CO(g)->COCl2(g) deltaH=+108kJ, at t=4 min conc. of Cl2 and CO increase, COCl2 decreases.

According to the concentration-time graph above, which change may have occurred at ?

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Ethanol, , can be produced by the reaction of ethylene, , and water, . When this reaction occurs in a sealed container of fixed volume, an equilibrium system is established. The equation for the reaction is:

If the pressure and volume remain constant, when the temperature is increased, the forward reaction rate will:

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Consider the equilibrium reaction:

Which statement is true regarding the concentrations of the species at equilibrium?

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Which of the following best describes an irreversible reaction?
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