contestada

i need the answer ASPA...do all types of coal have the same energy value??

Respuesta :

No, here are some rankings I found. please make me the brainliest!

Comparisons and Ranking

Rank

Type of Coal

Calorific Value (MJ/kg)

#1

Anthracite

30 millijoules per kilogram

#2

Bituminous

18.8–29.3 millijoules per kilogram

#3

Sub-bituminous

8.3–25 millijoules per kilogram

#4

Lignite (brown coal)

5.5–14.3 millijoules per kilogram