Look at the chemical reaction below.

ammonium hydroxide → ammonia + water

nh4 → nh3 + h2o

in this reaction:
ammonia (nh3) is a
ammonium hydroxide (nh4) is a

Plzz hurry im being timed during times of vigorous physical activity, muscles require a constant supply of oxygen. how does the body respond to these needs? a. breathing rate and heart rate both decrease. b. breathing rate and heart rate both increase. c. heart rate decreases, but breathing rate remains stable. d. breathing rate increases, but heart rate remains stable.

The body is protected against harmful flu viruses by

Chalk is an ionic compound. which is a property of all ionic compounds that makes chalkboard? particularly useful for writing on a a high melting point hardness and brittleness inability to dissolve in water a multicolored appearance