Homework Help: Chemistry

Posted by Ralph on Monday, March 22, 2010 at 7:26pm.

The combustion reaction of acetylene gas is represented by this equation:

2 C2H2(g) + 5 O2(g) ==> 4 CO2(g) + 2 H2O(g)

How many grams of CO2 and grams of H2O are produced when 52.0g C2H2 burns in oxygen?

Chemistry - DrBob222, Monday, March 22, 2010 at 7:51pm
Convert 52.0 g C2H2 to moles. moles = grams/molar mass.

Using the coefficients in the balanced equation, convert moles acetylene to moles CO2 and do the same thing for moles H2O.

Now convert those moles to grams. g = moles x molar mass.
Chemistry - molleysue, Thursday, December 13, 2012 at 8:57am
When 1 mole of tin IV oxide is heated with 2 moles of hydrogen gas, 1 mole of tin metal and 2 moles of water vapor are generated.
SnO¿ + 2H¿d Sn + 2H¿O
How many moles of tin metal will be produced when 0.74 moles of tin IV oxide is heated?

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