How do I calculate speed in a velocity-time graph? And in a displacement-time graph?
The Attempt at a Solution
I'm quite at a lost at how to calculate these =S
Any help is appreciated.
I was wondering if someone could help explain to me how you get these chemical equations?
Propane: C3H8 + 5O2 --> 3CO2 + 4H2O + energy (heat)
Corrosion (rust): 4Fe + 3O2 --> 2FeO3
How does 4 molecules of iron and 3 molecules of oxygen form 2 molecules of iron...