What is the modification of the Dalton's atomic theory

How many moles of sulfur dioxide are produced when 4.38 moles of oxygen completely react with iron (iv) sulfide

What is the mass of naoh that would have to be added to 500 ml of a solution of 0.20 m acetic acid in order to achieve a ph of 5.0?

Which of the following steps is not likely to take place during cellular respiration? (5 points) select one: a. oxygen combines with carbon of simple sugar. b. energy molecule transfers energy to cells. c. simple sugar breaks down. d. energy is used up.