Percentage composition of water in iron3 sulphate nonahydrate

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

Which metals are called noble metals

You open a can of soda at room temperature and hear a hiss. which of the following factors has changed inside the container? a.) atmospheric pressure b.) temperature of gas c.) type of gas d.) amount of gas