Identify three criteria of the problem (air pollution) and an explanation as to why these criteria should be met for the problem to be resolved.

Which is true of chemicals? a. things containing chemicals always cost a lot of money. b. chemicals are never dangerous. c. chemicals are in many substances in a home. d. chemicals are rarely found on earth.

Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3

‘which reaction would most likely require the use of an inert electrode?