Hydrocarbons contain only carbon and hydrogen so it's not 3 or 4.
CH2CH2 is unsaturated - it contains a double bond, 2HC=CH2.
CH3CH3 is a saturated alkane (Ethane).
Answer from: Quest
Cr(oh)3 -> cr(3+) + 3oh-
Answer from: Quest
the answer is 1260
you spend 7 hours in school for 1 school day with 5 school days in 1 school week with 36 school weeks in a school year.
7*5*36= 1260 it's all about multiplying
Another question on Chemistry
Chemistry, 21.06.2019 20:30
1. calculate the approximate enthalpy of the reaction in joules. estimate that 1.0 ml of vinegar has the same thermal mass as 1.0 ml of water. iqnore the thermal mass of th sodium bicarbonate. note: it takes about 4.2 joules () to change 1.0 gram (1.0ml) of water 1.0 c