Methane, CH4, burns in oxygen gas to form water and carbon dioxide. What is the correct balanced chemical equation for this reaction?
A. CH4 + O → H2O + CO2
B. CH4 + 4O → 2H2O + CO2
C. CH4 + O2 → H2O + CO2
D. CH4 + 2O2 → 2H2O + CO2

Question

Methane, CH4, burns in oxygen gas to form water and carbon dioxide. What is the correct balanced chemical equation for this reaction?
  A. CH4 + O → H2O + CO2 	
  B. CH4 + 4O → 2H2O + CO2 	
  C. CH4 + O2 → H2O + CO2 	
  D. CH4 + 2O2 → 2H2O + CO2

anonymous · Answer

@KendrickLamar2014 
do u know how to do this?

anonymous · Answer

@Astrophysics

kendricklamar2014 · Answer

Im not good at Chemistry :P Sorry

anonymous · Answer

me neither! its okee ^_^ thanks anyway:D

astrophysics · Answer

Burns oxygen, note that oxygen is a diatomic element which means?

anonymous · Answer

doesn't form peroxide...

anonymous · Answer

mkay....still a little confused.....

sweetburger · Answer

combustion reactions will always have co2 and h2o as products

sweetburger · Answer

therefor you just have to balance the equation and pick the correct answer

astrophysics · Answer

It gives you the reaction you simply have to remember the basics, oxygen and carbon = diatomic elements meaning there's always 2. Then balance the equation

anonymous · Answer

oooooh! okay! :D

astrophysics · Answer

So diatomic means $$O_2, N_2, F_2$$ sorry I said carbon was diatomic it isn't haha

astrophysics · Answer

There's 7 elements that fall into this category

astrophysics · Answer

$$CH_4 + O_2 ->$$ what's next

astrophysics · Answer

(Note we will still have to balance it after)

anonymous · Answer

okay now can you help me with the balancing part? im totally not good at all of this

anonymous · Answer

idk whats next >.< ugh

astrophysics · Answer

Read the question, what are the products

astrophysics · Answer

Just set up the unbalanced equation right now and we'll balance it after

anonymous · Answer

tahts the thing i need help understanding...setting up the equations...>.< im homeschooled and dont have a teacher

astrophysics · Answer

Methane, CH4, burns in oxygen gas to form water and carbon dioxide.
$$Ch_4 + O_2 -> H_2O+CO_2$$ reading what you have should be able to set it up as above

astrophysics · Answer

$$CH_4 + O_2 -> H_2O+CO_2$$

astrophysics · Answer

Now you have to balance the amount of carbon, oxygen, hydrogen etc

astrophysics · Answer

Notice there are 4 hydrogens on the left, and 2 on right so you can multiply the on right to balance it with the left, see if you can figure this out

anonymous · Answer

ITS D!!

anonymous · Answer

yups 'D' is the answer

anonymous · Answer

awesome thanks everyone! :D