The sun is the same shape in the sky every day, but the moon's shape changes throughout the month. What could be an explanation for the
moon's changing shape?

Asolution contains 180 g of glucose (c6h12o6) and 162 g of water. what is the mole fraction of glucose?

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

In the space, show a correct numerical setup for calculating the number of moles of co2 present in 11 grams of co2