Which of the images shows the molecules in a proper orientation for an effective collision for the following reaction? 2HI(g) → H2(g) + I2(g) 
Definitions:
Income
Money received, especially on a regular basis, for work or through investments, constituting the financial gain derived from labor, capital, or other sources.
Hamburgers
In an economic context, refers to a commonly cited example of a product in studies of competition, pricing, and consumer choice.
Supply Curve
An illustrated chart that displays the link between the cost of a commodity and the volume of the commodity that producers are ready to sell.
Hula Hoops
A popular toy made of a plastic tube formed into a hoop, twirled around the waist, limbs, or neck.
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