Acelestial object takes six to seven years to revolve once around the sun. it’s made mostly of ice, some of which vaporizes when it passes near the sun. what is this object?

a) an asteriod
b) a comet
c) a meteorite
d) a planet

Which statement is true about the part of the electromagnetic spectrum that human eyes can detect? it contains only the colors of the rainbow and television waves. o it is divided into seven ranges of wavelengths. it contains ultraviolet, visible, and infrared light. it is divided into nine ranges of wavelengths.

If 10.g of agno3 is available, what volume of 0.25 m agno3 can be prepared

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