Given the following chemical reaction, calculate the number of moles of sodium sulfate produced when 3.25 moles of sodium chloride reacts with excess sulfuric acid according to the following balanced reaction; 2 NaCl(aq) + 1 H2SO4(aq) ---> 1 Na2SO4(aq) + 2 HCl(aq)

Express the following number in scientific notation. 0.026890 =

Drag each label to the correct location on the chart. classify each reaction as endothermic or exothermic.

If we compare and contrast electromagnetic waves with sound waves, all but one statement is true. that is a) sound waves require a medium to travel while electromagnetic waves do not. b) electromagnetic waves can travel through the vacuum of space while sound waves cannot. c) electromagnetic waves must have a medium in which to travel, but sound waves can travel anywhere. eliminate d) sound waves must bounce off of matter in order to travel while electromagnetic waves do not require matter to be present.