If we wish to prepare 250. mL of 0.200 M BaCl2 solution, how much solid BaCl2 is needed?

Calculate the change in entropy if br2(l) is converted into gaseous br atoms. s° for br2(l) = 152.2 j/(mol•k) s° for br2(g) = 245.5 j/(mol•k) s° for br(g) = 175.0 j/(mol•k)

How many electrons does silver have to give up in order to achieve a sido noble gas electron configuration?

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