How many moles of carbon dioxide are produced when 28.6 moles of oxygen are reacted with an excess of methane? Include a unit and the chemical formula of the substance.

How many moles of oxygen react completely with 88 moles of methane?
Include units with the substance chemical formula

Classify this reaction: 2al+n2-> aln.

All motion is caused by force? true or false

Calculate the estimated density of each ball. use the formula d = m/v where d is the density, m is the mass, and v is the volume. record your calculations in table a of your student guide. given that the density of water is 1.0 g/cm3, make a prediction about whether each ball will float in water. record your prediction in table a. what is the estimated density of the table tennis ball? record your answer to the nearest hundredth