n an experiment the gram atomic mass of magnesium was determined to be 24.7. Compared to the accepted value 24.3, the percent error for this determination was A) 0.400 B) 1.65 C) 24.7 D) 98.4

Which statement is usually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.

Identify the electromagnets with poles that are reversed from the electromagnet shown above

What is a number added in front of a formula in order to balance the equation