Identify and calculate the number of representative particles in 0.151 mole of nitrogen oxide

Which compound contains both ionic and covalent bonds? a) hbr b)cbr4 c)nabr d) naoh

Compare and contrast physical changes with chemical changes.

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