how many grams of dry nh4cl need to be added to 2.20 l of a 0.600 m solution of ammonia, nh3, to prepare a buffer solution that has a ph of 8.50? kb for ammonia is 1.8×10−5.

Consider the equilibrium system: 2icl(s) ⇄ i2(s) + cl2(g) which of the following changes will increase the total amount of of cl2 that can be produced? all of the listed answers are correct decreasing the volume of the container removing the cl2 as it is formed adding more icl(s) removing some of the i2(s)

All cells are made of four types of acids, lipids, proteins, and carbohydrates.

In the reaction between a crushed antacid tablet and vinegar what gas is emitted