Cu(NO3)2 + Na2CO3 → CuCO3 + 2NaNO3 So what would be the spectator ions and which is a cation and an anion?

Fugu, also known as puffer fish, is a sushi delicacy that can also be lethal. puffer fish contain a powerful toxin that can kill an adult a few hours after ingestion. sushi chefs who prepare fugu must be specially trained because any contamination of the toxin-free areas of the fish can be deadly. recently this toxin has been put to good use, as scientists have discovered that a purified form of it can treat severe pain in cancer patients. this recent scientific discovery would fall under which area of chemistry? applied biochemistry pure organic chemistry pure physical chemistry applied inorganic chemistry

Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.

Which of the following best supports the concept that genetic information is passed on to offspring from both of their parents, not just one?