Look at the picture below. Name the isotope Calcium-19
Calcium-39
Potassium-20
Potassium-39

When hydrochloric acid reacts with potassium hydroxide solution, the following reaction occurs. hcl (aq) + koh (aq) h2o (l) + kcl (aq) the reaction gives off heat energy, so it is an reaction.

Mary is conducting an experiment on how pollution affects plant growth. how can she ensure that her data are reliable?

How many moles of cu are needed to react with 5.8 moles of agno3? cu + 2 agno3 → cu(no3)2 + 2 ag