Calculate the approximate volume of water that must be added to 250mL of 1.25N solution to make it 0.500 N

The reaction q+r2=r2q is found to be first order in r2 and

Draw any one of the skeletal structures of a 2° alkyl bromide having the molecular formula of c6h13br and two stereogenic centers. indicate chirality by using wedge and hashed wedge notation. lone pairs do not need to be shown.

What characteristics does a earthquake have