Please Help!!!! Which of the following equations follows the Law of Conversation of Mass

1 answer:

5 0

Option C. is correct

Calculate no. of each element on the reactant side and no. of elements on products side; If no. of elements in reactant = product,
then the reaction follows Law Conservation of Mass.

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d) A short ton of coal holds about 2.24 x 107 J of energy and costs about $56.45 per short ton. How many Joules of energy in the

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Answer:

396811.337 J

Explanation:

The cost of one short ton of coal = $56.45

The energy related to the short ton of coal = $2.24\times 10^{7}\ J$

Thus, As according to the question,

$56.45 of coal have $2.24\times 10^{7}\ J$ of energy.

$1 of coal have $\frac{2.24\times 10^{7}}{56.45}\ J$ of energy.

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Answer:

Explanation:

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