500 g of Zinc (1) nodules are placed into Nitric acid (HNO3) producing zinc (1) nitrate and hydrogen gas. How much volume in liters of hydrog den gas is produced? Must Show your work

What is the percentage by mass of silicon (si) in iron aluminum silicate (fe3al2(sio4)3)?

Which type of fossil does this image depict?

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.