Mercury melts at 234.3 k. convert this this melting point to degrees celcius

Your friend offers to show you an intrusive igneous rock. which of the following would you expect to see?

Consider the directing effects of the substituents on salicylamide and predict the possible structures of the iodination products. which do you think will be the major product?

What is a substance? a. a physical property of matter b. a chemical property of matter c. an element or compound that cannot be physically separated d. characteristics used to tell the difference between mixtures