Take a shiny soup spoon and look at your reflection in the side that holds the soup. what does it look like? can you explain this, using the terms “angle of incidence” and “angle of reflection”? now turn the spoon over and look at your reflection in the back of it. what does it look like now?

The correct name for n3-ion should be azide.

The answers is a nuclear changes

Hbr dissociates to form h+ and br-ca(oh)2 dissociates to form ca2+ and 2oh-the h+ and oh- react to form waterassuming the reactants are dissolved in water, the net reaction is h+ + oh- —> h2oif you’re asked to show all components of the reaction, the complete reaction is 2hbr + ca(oh)2 —> cabr2 + 2h2o