The best pH for a swimming pool is between 7.2 and 7.6. If your swimming pool has a pH of 8.0, then do you need to add an acidic or a basic substance to bring the pH into the proper range?
Explain why a bag of charcoal briquettes contains the following warning: Do not use for indoor heating or cooking unless ventilation is provided for exhausting fumes to the outside.
An Alka-Seltzer tablet contains solid citric acid and sodium hydrogen carbonate. What happens, and why, when the tablet is dropped into water?
You overhear someone comment that a lot of "cat cracking" takes place in oil refineries. Should you call the Society for the Prevention of Cruelty to Animals?
How does hydrogen bonding affect large molecules like proteins? What shapes do proteins take because of this effect?