7. Look at the graph in Figure 14.10 on page 420. What two observations did Jacques Charles make about the behavior of gases from similar data?

Achemistry student weighs out of phosphoric acid , a triprotic acid, into a volumetric flask and dilutes to the mark with distilled water. he plans to titrate the acid with solution. calculate the volume of solution the student will need to add to reach the final equivalence point. round your answer to significant digits.

A50.0g sample of liquid water at 0.0 c ends up as ice at -20.0 c. how much energy is involved in this change?

Which three statements represent the benefits of performing experiments using computer simulations?