Consider the Reaction, C₂H₄(g)+ H₂(g) $\rightarrow$ C₂H₆(g), Where $\Delta$ H = -137 KJ

question 30

Multiple Choice

Consider the reaction, C₂H₄(g) + H₂(g) $\rightarrow$ C₂H₆(g) , where $\Delta$ H = -137 kJ. How many kilojoules are released when 55.3 g of C₂H₄ reacts?

• A)137 kJ are released
• B)270. kJ are released
• C)1.13 × 10³ kJ are released
• D)7.58 × 10³ kJ are released

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Definitions:

Mean

The statistical measure that divides the sum of all values in a data set by the number of values, commonly known as the average.

Median

A statistical measure representing the middle value in a data set, where half the numbers are above and half are below it.

Median

The middle value in a list of numbers, which separates the higher half from the lower half.

Mean

A statistical measure referring to the average value in a set of numbers, calculated by dividing the sum of all numbers by the quantity of numbers.