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If burning one mole releases 1310.0 kj, then how many moles will release 227.30?

Question:

If burning one mole releases 1310.0 kj, then how many moles will release 227.30?

Directly Proportional Relations:

Directly proportional relationship establishes when a variable 'x' is a direct function of another variable, say 'y'. What we can say is, if x yields y, then 'n' quantity of x will yield 'n' quantity of y. In theory, {eq}\rm \dfrac{x}{y} = Constant {/eq}.

Answer and Explanation:

It is said that burning one mole releases 1310.0 kJ of energy.

We need to find the number of moles required to release 227.30 kJ.

So, the number of moles is given as;

{eq}n = \dfrac{227.30}{1310.0} \times 1 \ mole\\ n = 0.1735 \ moles {/eq}


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Directly Proportional: Definition, Equation & Examples

from High School Algebra II: Help and Review

Chapter 1 / Lesson 23
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