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How do you balance these equations?
How do you balance these? (chemical + word equations)
- butane + oxygen = carbondioxide + water
- pentane + oxygen = carbondioxide + water
- hexane + oxgen = ‘’ ‘’
- heptane + oxygen = ‘’ ‘’
- octane + oxygen = ‘’ ‘’
- nonane + oxygen = ‘’ ‘’
- decane + oxygen = ‘’ ‘’
Thank you!!
- C5H12 + O2 —> CO2 + H2O Step 1: You’ve got 5Cs on the left, so put a 5 in front of C02 on the right C5H12 + O2 —> 5CO2 + H2O
Step 2: You’ve got 12 Hs on the left, so you put 6 in front of H2O to make 12 Hs C5H12 + O2 —> 5CO2 + 6H2O
Step 3: You’ve got 16 Os (10 from CO2, and 6 from H2O) on the right, so you put 8 on the left in front of O2 to balance it C5H12 + 8O2 —> 5CO2 + 6H2O
Step 4: Check on the left: 5Cs, 12Hs, 16Os on the right: 5Cs, 12Hs, 16Os
- C6H14 + O2 —> CO2 + H2O Step 1: You’ve got 6Cs on the left, so put a 6 in front of C02 on the right C6H14 + O2 —> 6CO2 + H2O
Step 2: You’ve got 14 Hs on the left, so you put 7 in front of H2O to make 14 Hs C6H14 + O2 —> 6CO2 + 7H2O
Step 3: You’ve got 19 Os (12 from CO2, and 7 from H2O) on the right, so you put 9.5 on the left in front of O2 to balance it C6H14 + 9.5O2 —> 6CO2 + 7H2O
Now count off, on the left 6Cs, 14Hs, 19Os, on the right, 6Cs, 14Hs, 19Os its balanced. BUT you cant have half a molecule.
Step 4: Double everything so there’s no half molecules 2C6H14 + 19O2 —> 12CO2 + 14H2O
Step 5: Check on the left: 12Cs, 28Hs, 38Os on the right: 12Cs, 28Hs, 38Os
You get the idea…
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