How many liters of carbon dioxide are produced when 2.0 moles of #CH_4# are burned at #STP#?

Answer 1

44.8L

Assuming combustion to be the reaction producing the #CO_2#, you need to first write the balanced equation. Then you can calculate how much #CO_2# 2.0 moles of methane would produce with complete reaction.

#CH_4 + 2O_2 → CO_2 + 2H_2O#

This indicates that one mole of methane yields one mole of carbon dioxide, so two moles will yield two moles. Using the STP factor of 22.4L/mole for gases, convert the moles to liters.

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Answer 2

Cooper Adams

When 2.0 moles of CH4 are burned at STP, 8.0 liters of carbon dioxide are produced.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.