The Rate of Disappearance of HBr in the Gas Phase

question 76

Multiple Choice

The rate of disappearance of HBr in the gas phase reaction 2HBr(g) → H₂(g) + Br₂(g)
Is 0.190 M s^-1 at 150°C.The rate of appearance of H₂ is ________ M s^-1.

• A) 2.63
• B) 0.0950
• C) 0.0361
• D) 0.380
• E) 0.0860

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Definitions:

Coefficient Of Determination

A measure used in statistical analysis that assesses how well a model explains and predicts future outcomes, often represented as R^2.

Correlation Coefficient

A numerical measure that quantifies the strength and direction of a linear relationship between two variables, ranging from -1 to 1, where values close to 1 or -1 indicate a strong linear relationship.

Linear Relationship

A type of relationship between two variables where the change in one variable is consistently associated with a change in the other variable in a manner that can be depicted with a straight line.

Coefficient Of Correlation

The coefficient of correlation is a statistical measure that calculates the strength and direction of a linear relationship between two variables.