At Constant Pressure,the Combustion of 15

question 14

Multiple Choice

At constant pressure,the combustion of 15.0 g of C₂H₆(g) releases 777 kJ of heat.Calculate ΔH for the reaction given below.
2 C₂H₆(g) + 7 O₂(g) → 4 CO₂(g) + 6 H₂O(l)

• A)-129 kJ
• B)-779 kJ
• C)-1560 kJ
• D)-3120 kJ

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Definitions:

Puberty

The age at which a person becomes capable of sexual reproduction.

Sexual Reproduction

A biological process where two organisms contribute genetic material to produce offspring, combining traits from both parents.

Growth Spurt

A rapid period of physical growth, often experienced during puberty, where individuals can experience significant increases in height and weight.

Gender Typing

The process by which a child becomes aware of their gender and thus behaves accordingly by adopting values and attributes of members of the sex that they identify as their own.