Complete the following from your text: Hydrocarbons are toxic in concentrations as low as , and oil can persist in the environment for more than years.??

Which metal exist in liquid state and can be cut with knife ?

Given the following at 25c calculate delta hf for hcn (g) at 25c. 2nh3 (g) +3o2 (g) + 2ch4 (g) > 2hcn (g) + 6h2o (g) delta h rxn= -870.8 kj. delta hf=-80.3 kj/mol for nh3 (g), -74.6 kj/mol for ch4, and -241.8 kj/mol for h2o (g)

•hydration •dissociation •dissolving which one goes to which