Why do scientists use scientific notation to represent very small and large numbers? accuracy of measured quantities
to simplify the number by using fewer digits
number of significant figures
precision of measurements

According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons

How does the presence of oxygen affect the chemical pathways used to extract energy from glucose?

Mercury turns to vapor at 629.88 k how much heat is lost 175 g of mercury vapor at 650 current condenses to a liquid at 297 ca mercury turns to weber at 629.88 kelvin how much he is lost 175 g of mercury vapor and 650 coming condensers to liquidate 297 kevin