The Density of NO₂ in a 4

question 69

Multiple Choice

The density of NO₂ in a 4.77 L tank at 738.4 torr and 45.0 °C is ________ g/L.

• A)1.71
• B)1300
• C)12.1
• D)0.0169
• E)8.17

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Definitions:

Approximate

To estimate or come close to an actual value, not exact but within a reasonable range.

Binomial Coefficient

A numerical factor that represents the number of ways to choose a subset of elements from a larger set, commonly expressed as "n choose k."

Binomial Theorem

The binomial theorem describes the algebraic expansion of powers of a binomial, showing how to expand expressions that involve addition or subtraction within a power.

Expression

A mathematical phrase that can contain numbers, variables, and operation symbols.