1. What is a chemical reaction?

A (n) 816 ml sample of hydrogen was collected over water at 21.0◦c on a day when the barometric pressure was 755 torr. what volume would the dry hydrogen occupy under standard conditions? the vapor pressure of water at 21.0◦c is 19.0 torr.

A sample of basalt has smaller crystals than a sample of granite. What is the most likely reason for this?

Name the following ionic compounds involving ionic bonds

Which characteristic of a solid is most responsible for there structure

The distance between stars is typically measured in

The size of a minerals crystals depends on what?

The density of gold is 19.3 g/cm3. What is the mass of 15cm3 of gold?

Which state of matter has no definite size or shape

Select the correct hybridization for the central atom based on the electron geometry cocl2 (carbon is the central atom).

What will most likely happen when these molecules get closer? The molecules will repel each other because of a dipole-dipole interaction. The molecules will attract each other because of a dipole-dipole interaction.