Mg(s) + 2HCl(aq) --> MgCl2(aq) + H2(g) How many grams of hydrogen can be produced when 4.00 g of HCl is added to 3.00 g of Mg? Assuming STP, what is the volume of this hydrogen?

What does x represent in the formula for the compound xcl4?

Match the acid base pairs by arranging the acid name with the conjugate base formula. hydrogen carbonate hydrogen phosphate carbonic acid read water sulfuric acid phosphoric acid a. co32- b. hso4- c. hco3- d. po43- e. h2po4- f. oh-

Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.