Answer :
This reaction decomposes 31.86 g of ch3oh at constant pressure, transferring 250 KJ of heat, as stated below.
The front and rear regions together make up the genuine contact area, and the contact pressure is the ratio of the typical load to this total. Only in the case of plastic contact may it be referred to as the scratch hardness.
Think about the following response:
2CH3OH(g)→2CH4(g)+O2(g)ΔH=+252.8kJ
Determine the amount of heat that is transmitted when this reaction, which occurs at constant pressure, breaks down 31.860g of CH3OH(g).
31.86 g CH3OH(g) (1 mol/ 32.05 g) = 0.99 mol CH3OH(g) +252.8 kJ
Q = 0.99 mol (252.8 kJ) = 250 kJ
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