If a plant uses up all available carbon dioxide, which event will happen first? a. a decrease in its amount of chlorophyll b. an increase in its sugar production c. an increase in its amount if chlorophyll d. a decrease in its sugar production

An exothermic reaction is conducted in an insulated calorimeter filled with water. the calorimeter is then sealed so that there is no heat exchanged between the contents of the container and the surrounding air. which of the following statements is true about the reaction?

How many moles of potassium are needed to react completely with 12.8 moles of magnessium bromide?

Does the formation of all chemical bonds is based on sharing of electrons?