How many moles of O₂ are needed to burn 2.5 moles of CH₃OH?

a. a primary source combines several different accounts of an event. b. a primary source generally benefits from having been written after an event.

explanation:

a:

by the combination of an unlimited number of elements

frequency, z, and the collision density, z, in carbon dioxide (co2), r 180 pm at 30 °c and 120 kpa

answer; capital earns interest; entrepreneurship receives a profit or incurs a loss;