The Combustion of Ethylene Proceeds by the Reaction $\mathrm { C } _ { 2 }$

question 97

Multiple Choice

The combustion of ethylene proceeds by the reaction
$\mathrm { C } _ { 2 }$ $\mathrm { H } _ { 4 }$ (g) + $3 \mathrm { O } _ { 2 }$ (g) ? $2 \mathrm { CO } _ { 2 }$ (g) + $2 \mathrm { H } _ { 2 }$ O(g)
When the rate of disappearance of $\mathrm { O } _ { 2 }$ is 0.37 mol L^-1 $s ^ { - 1 }$ ,the rate of appearance of $\mathrm { CO } _ { 2 }$ is ________ $\mathrm { mol } \mathrm { L } ^ { - 1 } \mathrm {~s} ^ { - 1 }$

• A)0.12
• B)1.1
• C)0.56
• D)0.74
• E)0.25

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Definitions:

Asserted

Stated or expressed positively and often forcefully or aggressively.

Assert Proposition

To claim that a certain proposition, a statement that can be true or false, is true.

Hypothetical-deductive Reasoning

A cognitive process, identified by Piaget, involving the ability to formulate hypotheses and systematically deduce the most logical consequences to solve a problem.

Formal Operational Thought

A stage in cognitive development, according to Piaget, where individuals develop the ability to think abstractly, logically, and systematically, usually beginning in adolescence.