1. When 50.0 mL of 0.30M HCI ( hydrochloric acid ) is added to 500 mg CaCO3 (calcium carbonate), will there be an excess of HCl(aq) or CaCO3(aq) or will there be

stoichiometric equivalents of the two? Show your

calculations.

Matches the chemical name of each oxide of phosphorus to its chemical formula

How did planetesmals form planets? a. they broke apart into smaller chunks. b. they collided and stuck together. c. they cooled and pulled ice together. d. they began to rotate.

24 points and brainliest to anyone who can answer under 10 minutes with best ! the table below shows the role of different substances during photosynthesis. substance role during photosynthesis glucose stores chemical energy water combines with glucose to form carbon dioxide chlorophyll traps sunlight which of the following statements would correct one of the roles listed in the table? glucose combines with carbon to form water. chlorophyll reacts with light to produce carbon dioxide. water combines with carbon dioxide during photosynthesis. chlorophyll stores chemical energy needed for photosynthesis.