The pH of pool water is normally kept between 7.2 and 7.6. Is the pool water acidic, basic or neutral? Why?

The following reaction shows sodium carbonate reacting with calcium hydroxide. na2co3 + ca(oh)2 → naoh + caco3 how many grams of naoh are produced from 20.0 grams of na2co3? (molar mass of na = 22.989 g/mol, c = 12.01 g/mol, o = 15.999 g/mol, ca = 40.078 g/mol, h = 1.008 g/mol) 12.2 grams 15.1 grams 24.4 grams 30.2 grams

Which of these statements explains the difference between nuclear binding energy and the strong nuclear force ?

Quiz1. which physical state of nitrogen has the highest entropy? a solid© b gasoc liquid