Given the Unbalanced Equation: H₂O $\rarr$ H₂ + O₂

question 11

Multiple Choice

Given the unbalanced equation: H₂O $\rarr$ H₂ + O₂. When properly balanced,the sum of the balancing coefficients is

• A)4
• B)5
• C)6
• D)7

---

Definitions:

Z Scores

Standard scores indicating how many standard deviations an element is from the mean.

Combinations

The selection of items from a larger set where order does not matter.

Distribution

The way in which values in a dataset are spread or dispersed across the range of data points.

Kurtosis

The quality of a distribution that defines how flat or peaked it is.