Calculate the average atomic mass: X-28: 27.976 amu; 92.23%

X-29: 28.976 amu; 4.68%

X-30: 29.973 amu; 3.09%

If a bottle of olive oil contains 1.4 kg of olive oil, what is the volume, in milliliters ( ml ), of the olive oil?

Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?

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.