Astudent wanted to synthesize 4-(5-methylhex-3-yn-1-yl)phenol. the student\'s key step was to be the sn2 reaction of an acetylide with 4-(2-bromoethyl)phenol. however, the student isolated none of the desired product. what went wrong? draw the two products the student isolated instead. assume a 1: 1 mixture of reagents.

There are 6.022, 104 atoms of hg in 1 mole of hg the number of atoms in 45 moles of hg can be found by multiplying 4.5 by 6.022, 102 which is the number of atoms in 4.5 moles of hg, correctly written in scientific notation with the correct number of significant figures? 0 21,109 0 21,100 271, 1024 27.099, 100 mark this and retum save and exit submit

As we move from left to right across the periodic table, what is the general trend? a) atomic radii increase. b) electronegavitiy decreases. c) nuclear shielding increases. d) metallic character decreases.

Match the formula for the following compound:   magnesium sulfate heptahydratemgs·7h2omg2so4·7h2omg(s o4)2·7h2omgso4·7h2o