What is the IUPAC name of this compound? CH2CH3
CH_CH;
,
CH3CH2CHCH, CHCH;
OOO
CH2CH2CH2CH2CH3
A. 3-ethyl-5-methyldecane
B. 3-ethyl-2-pentylhexane
C. 1-octylpentane
D. 8-ethyl-6-methyldecane

There are 6.022 x 10^23 atoms of hg in 1 mole of hg. the number of atoms in 4.5 moles of hg can be found by multiplying 4.5 by 6.022 x 10^23 a. 2.7 x 10^24 b. 27 x 10^23 c. 2.71 x10^24 d. 27.099 x 10^23

If a reactant was removed, did the new equilibrium system shift to make more reactants or more products?

Compare and contrast physical changes with chemical changes.