How many 2º alkyl bromides, neglecting stereoisomers, exist with the formula c6h13br?

In which environment would primary succession occur? a forest with a few remaining trees after a recent wildfire an area of exposed rock after a glacier melts away beach that is exposed to the air at low tide an abandoned baseball field in a small town

How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?

Rays from the sun are not considered matter true or false