The rate of a reaction is found to double when the concentration of one reactant is quadrupled (increased by a factor of 4). The order of the reaction with respect to this reactant is
one quarter (1/4)
First
one half (1/2)
Second

What is the study of how matter and energy interact? a. biology b. physics c. planetary science d. chemistry

Asample of sea water contains 6.28g of sodium chloride per litre of solution. how many milligrams of sodium chloride would be contained in 15.0ml of this solution?

An unknown substance is a white solid at room temperature and has a melting point of 78 °c. which of the following substances is most likely to be the identity of the unknown sample? a. naphthalene, a molecular solid with the formula c10h8 b. silica, a network solid held together by covalent bonds with the formula sio2 c. calcium chloride, an ionic compound with the formula cacl2 d. water, an molecular compound with the formula h2o