1)Which gases contribute most significantly to acid rain? 2)How do the gases responsible for acid rain get into the atmosphere?

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Which compound contains both ionic and covalent bonds? a) hbr b)cbr4 c)nabr d) naoh

Apump contains 0.5 l of air at 203 kpa. you draw back on the piston of the pump, expanding the volume until the pressure reads 50.8 kpa. what is the new volume of the air pump

How many mmols of tris-hcl are there in 100 ml of a 100 mm tris-hcl buffer solution at ph 8.1? note that the 100 mm refers to the sum of tris and tris-hcl concentrations?