Coal has no advantage over other energy sources except that it is very cheap.
a. true
b. false

Reaction rate depends on how many molecules are coming into contact with each other with enough energy to react. increasing the temperature of the reactants will increase -

Stage in which a star’s outer layers have started to cool and grow outward?

Which statement is true about this reaction? 14n+1h 15o it is a practical source of energy on earth. it occurs only outside the solar system. its product is heavier than each of its reactants. it shows the critical mass of an element.