What is the percent yield of lithium hydroxide from a reaction of 7.40 g of lithium with 10.2 g of water? The actual yield was measured to be 12.1 g. 2Li(s) + 2H2O(l) = 2LiOH(aq) + H2(g)
Select one:
a) 72.5%
b) 53.1%
c) 89.3%
d) 47.4%

Can someone me with these questions plz.

Indicate whether the specified alkyl halides will form primarily substitution products, only elimination products, both substitution and elimination products, or no products when they react with sodium methoxide. 1-bromobutane 1-bromo-2-methylpropane 2-bromobutane 2-bromo-2-methylpropane

Apush or pull that moves or changes and object when to objects touch