What factor would affect the pH of a waterway?
A. coliform bacteria
B. stream flow
C. acid rain
D. stone-flies

7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '

Light waves travel than sound waves.

Consider the following reaction at equilibrium: c(s)+h2o(g)⇌co(g)+h2(g) predict whether the reaction will shift left, shift right, or remain unchanged upon each of the following disturbances. a) c is added to the reaction mixture. b) h2ois condensed and removed from the reaction mixture c) co is added to the reaction mixture d) h2 is removed from the reaction mixture.