Solve and show work. How many mL of 7.4 M NH3 must be diluted to 500 mL to make a 0.55 M solution?

Which best explains why an iceberg floats?

If the density of water is 1.0 g/cm3, which of these materials would float in water, based on their densities? check all that apply. aluminum cork iron lead wax

What can happen to an atoms electrons when an electric current is passed through the atom?