2points
maria was riding her bike at a velocity of 3 m/s to the north. her velocity
changed to 11 m/s to the north. what was her change in velocity?
a. -8 m/s north
o
b. 3 m/s north
o
c. 8 m/s north
o
d. 14 m/s north

What is the number of moles in 15.0 g ash3?

An atom of lithium (li) and an atom of chlorine (cl) engage in a chemical reaction. which correctly describes the structure of the resulting chemical compound? hint: consider the class of each element. the chemical compound will have a network structure. the chemical compound will have triple bonds. the chemical compound will have a ball-and-stick structure. the chemical compound will have double bonds.

Write the formula for the following chemicals. 7. e. trinitrogen tetraoxide a calcium phosphate f. magnesium acetate b. potassium sulfide g nickel(iii) cyanide c carbon dioxide h. silver sulfate d. cobalt(ii) chloride