Geologic evidence shows that earth's tectonic plates can move thousands of kilometers across the earth's surface. these movements a. do not change the earth's surface at all. b. occur gradually over millions of years. c. occur due to human activity. d. occur in one sudden movement.

For the reaction shown, calculate how many moles of no2 form when each of the following completely reacts. 2n2o5(g)→4no2(g)+o2(g) part a 1.0 mol n2o5 express your answer using two significant figures. nothing mol m o l request answer part b 5.4 mol n2o5 express your answer using two significant figures.