Consider the following reaction 2Mg(s) + 02 (9) 2Mgo (s)
If 21.2 kcals of energy is released by this reaction, how many kJ
of energy does the reaction release? (1 cal = 4.184 J) (Round off
decimal to nearest tenths)

Ascientist plants two rows of corn for experimentation.she put fertilizer on row 1 but does not put fertilizer on row 2 both rows receive the same amount of water and light intensity she checks the growth of the corn over 5 months what is the constant in this experiment