Hi I need help please!!! The melting point of sulfur is reported to be 55.12 C. You measure it as 53.72C. What is the percent error (use 2 significant figures)?

Which of the following is true for the actual yield of a reaction? it is always calculated as a ratio. it is the yield from the excess reactant. it is the yield from the limiting reactant. it is always less than the theoretical yield.

What is the empirical formula for c4h8o2

What is the lowest number energy level where a d sublevel is found