I want to thank your team (Jeff) for finding a new writer when you were unable to reach my existing writer to revise my paper. I appreciate your professionalism and efforts. Thanks
Report (any type)/Brief report
22/09/2021
The balanced equation is ##”C”_7″H”_16 + “11O”_2 → “7CO”_2 + “8H”_2″O##.
You follow a systematic procedure to balance the equation.
Start with the unbalanced equation:
##”C”_7″H”_16 + “O”_2 → “CO”_2 + “H”_2″O”##
A method that often works is to balance everything other than ##”O”## and ##”H”## first, then balance ##”O”##, and finally balance ##”H”##.
Another useful procedure is to start with what looks like the most complicated formula.
The most complicated formula looks like ##”C”_7″H”_16##. We put a ##1## in front of it to remind ourselves that the coefficient is now fixed.
We start with
##color(red)(1)”C”_7″H”_16 + “O”_2 → “CO”_2 + “H”_2″O”##
Balance ##”C”##:
We have fixed 7 ##”C”## atoms on the left-hand side, so we need 7 ##”C”## atoms on the right-hand side. We put a ##7## in front of the ##”CO”_2##.
##color(red)(1)”C”_7″H”_16 + “O”_2 → color(blue)(7)”CO”_2 + “H”_2″O”##
Balance ##”O”##:
We can’t balance ##”O”## yet because we have two formulas that contain ##”O”## and lack coefficients. So we balance ##”H”## instead.
Balance ##”H”##:
We have fixed 16 ##”H”## atoms on the left-hand side, so we need 16 ##”H”## atoms on the right-hand side. We put an ##8## in front of the ##”H”_2″O”##.
##color(red)(1)”C”_7″H”_16 + “O”_2 → color(blue)(7)”CO”_2 + color(green)(8)”H”_2″O”##
Now we can balance ##”O”##:
We have fixed 22 ##”O”## atoms on the right-hand side: 14 from the ##”CO”_2## and 8 from the ##”H”_2″O”##. We put an ##11## in front of the ##”O”_2##.
##color(red)(1)”C”_7″H”_16 + color(teal)(11)”O”_2 → color(blue)(7)”CO”_2 + color(green)(8)”H”_2″O”##
Every formula now has a fixed coefficient. We should have a balanced equation.
Let’s check:
##color(white)(m)”Element”color(white)(m)”Left-hand side”color(white)(m)”Right-hand side”##
##color(white)(mmll)”C”color(white)(mmmmml)7color(white)(mmmmmmmmll)7##
##color(white)(mmll)”H”color(white)(mmmmll)16color(white)(mmmmmmmm)16##
##color(white)(mmll)”O”color(white)(mmmmll)22color(white)(mmmmmmmm)22##
All atoms balance. The balanced equation is
##”C”_7″H”_16 + 11″O”_2 → 7″CO”_2 + 8″H”_2″O”##
I want to thank your team (Jeff) for finding a new writer when you were unable to reach my existing writer to revise my paper. I appreciate your professionalism and efforts. Thanks
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