2Na+ 2H20 - > 2NaOH + H2 If 73 g of Na are available, how many moles of NaOH are produced?
PLEASEE HEL

3. how much energy in joules is required to evaporate .0005 kg of liquid ammonia to vapor at the same temperature? 4. how much energy ( in megajoules ) is given up by .75 kg of water at 0c when it freezes to form ice at 0c? 5. explain how heat works between and at critical temperatures?

Compare and contrast refraction of light and sound will give brainliest

The number at the end of an isotope’s name is the number.