For the Reaction of the Ammonium Ion with Nitrous Acid,the

question 3

Multiple Choice

For the reaction of the ammonium ion with nitrous acid,the net reaction is
NH₄⁺(aq) + HNO₂(aq) → N₂(g) + 2H₂O(l) + H⁺(aq)
​
If the initial concentration of nitrous acid is 1.00 M and,after 17.8 s has elapsed,the concentration of nitrous acid has fallen to 0.72 M,what is the average rate of the reaction over this time interval?

• A)​-0.015 M/s
• B)​0.04 M/s
• C)​0.015 M/s
• D)​-0.04 M/s
• E)​0.096 M/s

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Definitions:

Metal Alloy

A substance composed of two or more metals or a metal and a non-metal, mixed together to attain desired physical or chemical properties.

Fixed Proportions

A production technology assumption where inputs must be used in constant, unchanging ratios to produce outputs.

Average Cost

The total cost of production divided by the number of units produced, representing the cost per unit of output.

Production Function

An equation that specifies the output that can be produced with different combinations of inputs or factors of production.