How many grams of barium chloride are produced when 1.25 x 1023 molecules of HCL reacts with barium according to the following equation?
Word equation:
Formula equation:
(Must be balanced!)

Atrain travels 74 kilometers in 3 hours, and then 81 kilometers in 5 hours. what is its average speed?

Which diagram shows the correct way to represent an ionic compound of magnesium oxide?

Consider the following reaction at equilibrium. 2co2 (g) 2co (g) + o2 (g) h° = -514 kj le châtelier's principle predicts that the equilibrium partial pressure of co (g) can be maximized by carrying out the reaction a. at high temperature and high pressure b. at high temperature and low pressure c. at low temperature and low pressure d. at low temperature and high pressure e. in the presence of solid carbon