Which feature do all aromatic hydrocarbons have?
a. a cyclic alkene group
b. a cyclic alkyne group
c. a benzene ring structure
d. a very reactive cyclic group

The reaction q+r2=r2q is found to be first order in r2 and

Suppose you have designed a new thermometer called the x thermometer. on the x scale the boiling point of water is 129 ? x and the freezing point of water is 13 ? x. part a at what temperature are the readings on the fahrenheit and x thermometers the same?

Miner's coal distributors does not mine coal itself, nor does it even store or handle the coal. instead, miner's solicits orders for low sulfur coal from other firms, then purchases the required amount from suppliers and directs them to ship the coal to its customers. what is miner's