2.85 x 102 g of pentane (C5H12) reacts with 3.00 g of oxygen gas. What mass of carbon dioxide gas is produced?

Elements in group 2 are all called alkaline earth metals. what is most similar about the alkaline earth metals?

Why do lunar and solar eclipse not happen every month

Predict the relative bond lengths of the three carbon-oxygen bonds in the carbonate ion (co2−3). what would you expect the charge to be on each oxygen? match the words in the left column to the appropriate blanks in the sentences on the right. make certain each sentence is complete before submitting your answer.