Which of the following has the highest boiling point? O A. NH3
O B. O2
O D. H2
O C. H2O

Which real-world scenarios below represent physical and chemical changes? -running a car -exploding fireworks -mixing water and powdered drink mix -combining oil and vinegar to make salad dressing -taking aspirin for a headache -diluting bleach with water-digesting dinner-spreading peanut butter on bread

Hey guys so i need to know what is _nh3+> nh4oh ~chemistry~

Can someone me with 3 and 4 plz. this is for masteries test.