When Iron Metal Is Placed into a Solution of Hydrochloric $\rightarrow$

question 62

Multiple Choice

When iron metal is placed into a solution of hydrochloric acid, will a reaction occur? If so, what is the balanced equation for the reaction?

• A)Yes.Fe(s) + 2HCl(aq) \(\rightarrow\)FeCl₂(aq) + H₂(g)
• B)Yes.Fe(s) + 3HCl(aq) \(\rightarrow\)FeCl₃(aq) + H₂(g)
• C)No reaction will occur.
• D)Yes.2Fe(s) + 2HCl(aq) \(\rightarrow\) 2FeCl(aq) + H₂(g)

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Demand Curve

A graphical representation showing the relationship between the price of a good or service and the quantity demanded by consumers, typically downward sloping.

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Markets in which no individual producer or consumer has the market power to influence prices, characterized by many buyers and sellers, homogeneous products, and free entry and exit.

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The difference between a firm's total revenue and its total costs, including both explicit and implicit costs, measuring the excess over the opportunity cost of capital.