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When representing a reversible reaction, we use a double headed arrow such as ⇌
To show that it's reversible, keep up Sarah!
But why is it double-headed?
Point 6 & 7
The pressure and the temperature of the reactions are shown above or below the arrows of the equation.
The concentration or dilution of an acid is written as (con.) or (dil.)
Oh yeah, I've read an equation of photosynthesis where they wrote chlorophyll and sunlight above and below the arrows, it finally makes sense now
Yeahhh, and to show the absorption of heat, we use minus flames!!
Points 8 & 9
No we don't, OMG!
That's right, now could anyone tell me how we represent endothermic and exothermic reactions?
OOH, I KNOW, WE USE FLAMES TO SHOW THE RELEASE OF HEAT
OHH, THAT MAKES SENSE!
We just write +heat or -heat depending on the equation.