Given That the Reaction N₂(g) + 2 O₂(g) → 2

question 59

Multiple Choice

Given that the reaction N₂(g) + 2 O₂(g) → 2 NO₂(g) is endothermic, which of the following is true of the reaction 2 NO₂(g) → 2 N₂(g) + 2 O₂(g) ?

• A) Its activation energy is lower than that of N₂(g) + 2 O₂(g) → 2 NO₂(g).
• B) Its activation energy is the same as that of N₂(g) + 2 O₂(g) → 2 NO₂(g).
• C) Its activation energy is higher than that of N₂(g) + 2 O₂(g) → 2 NO₂(g).
• D) There is no relationship between its activation energy and that of N₂(g) + 2 O₂(g) → 2 NO₂(g).

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Definitions:

Difference

What remains after one quantity is taken away from another.

Expression

In mathematics, an expression is a combination of symbols that represent a value or the relationship between values.

X

Often used to denote an independent variable or an unknown value in equations and functions.

Polynomial

An algebraic expression consisting of terms in the form of ax^n where a is the coefficient, x is the variable, and n is a non-negative integer.