If the Density of Ethanol,C₂H₅OH,is 0

question 4

Multiple Choice

If the density of ethanol,C₂H₅OH,is 0.789 g/mL.How many milliliters of ethanol are needed to produce 15.0 g of CO₂ according to the following chemical equation?
C₂H₅OH(l) + 3 O₂(g) → 2 CO₂(g) + 3 H₂O(l)

• A)6)19 mL
• B)9)95 mL
• C)19.9 mL
• D)39.8 mL

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Definitions:

Downcutting

A process by which a stream or river erodes its bed, deepening it over time, often leading to the formation of canyons or valleys.

Dynamic Equilibrium

A condition of a system in approximate steady state where there is a balanced inflow and outflow of materials.

Graded Stream

A stream in equilibrium, showing a balance between its capacity to transport sediment and the amount of sediment supplied to it, thus with no overall erosion or deposition of sediment.

Meander

A sinuous curve or bend in the course of a stream or river.