4NaCl + 2S02 + H20+
02

Na2SO4 + 4HCI
Which numbers balance this equation?
O 1, 2, 2
O 2, 1, 4.
1, 2, 4
O 2, 1, 2

What is the percentage by mass of silicon (si) in iron aluminum silicate (fe3al2(sio4)3)?

How does a catalyst increase the speed of a reaction? a. the catalyst eliminates the activated complex stage, allowing products to form immediately. b. the catalyst lowers the energy level of the reactants, making it easier for them to react. c. the catalyst makes it easier for the activated complex to form, lowering the activation energy. d. the catalyst raises the energy level of the products, making the reaction finish sooner. reset next

The volume of an unknown substance in a sealed glass jar is 50 milliliters. the volume of the jar is 200 milliliters. which state of matter could the substance be?