Are Kl and NaCl ionic compounds?

Which object forms when a supergiant runs out of fuel? a red giant a black hole a white dwarf a neutron star

3. how much energy in joules is required to evaporate .0005 kg of liquid ammonia to vapor at the same temperature? 4. how much energy ( in megajoules ) is given up by .75 kg of water at 0c when it freezes to form ice at 0c? 5. explain how heat works between and at critical temperatures?

Word equation for k(s)+h2o(l) yield koh(aq) + h2(g)