Not sure if chemistry is the right category for this but what happens to an egg in vinegar after 30 minutes?

Evaluate this exponential expression,8. (2 + 3)2 – 42

An excess of lithium oxide undergoes a synthesis reaction with water to produce lithium hydroxide li2o+h2o→2lioh if 1.05 g of water reacted, what is the theoretical yield of lithium hydroxide? a) 5.83 x 10–2 g lioh b) 1.17 x 10–1 g lioh c) 2.79 x 100 g lioh d) 1.40 x 100 g lioh

An atom of which element reacts with an atom of hydrogen to form a bond with the greatest degree of polarity ?