Represent the oxygen atom symbolically along with its two isotopes that have 9 and 10 neutrons.

Explain what happens at the saturation point when adding salt to water at room temperature.

The ammonia molecule in the diagram has the observed bond orientation because

•what conclusions can you make about the relationship between the volume of a gas and its temperature? • what conclusions can you make about the relationship between the volume of a gas and its pressure? • what possible variables have you not accounted for? as you did the procedures, is it possible that the atmospheric pressure may have changed? if it did change over the course of your experiment, then how would your results have been affected?