Calculate the heat evolved kJ for the reaction of
1.00 g of elemental sulfur.

Smog is the term used to describe the combination of fog and smoke

Which of the following statements is false regarding aromaticity? a. the compound must be cyclic b. the compound must be fully conjugated c. the compound must be planar d. the number of electrons in the pi system must satisfy the hückel 4n+2 rule e. the compound must have a neutral charge

What is the ph of a 0.0010 m hno3? 1.0 3.0 4.0 5.0