Chemistry, 03.08.2019 16:30 KariSupreme
What best describes the kinetic energy of two gas particles before and after a collision? select one: a. the kinetic energies of both particles stay the same b. the total kinetic energy of the two particles stays the same c. the total kinetic energy of the two particles decreases d. the total kinetic energy of the two particles increases incorrect
Answers: 1
Chemistry, 22.06.2019 06:30, yolo123321
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
Answers: 2
Chemistry, 22.06.2019 07:40, sadcase85
22. a flask containing 450 ml of 0.50 m h2so4 was accidentally knocked to the floor. how many grams of nahco, do you need to put on the spill to neutralize the acid according to the following equation: h2so4(aq)+2 nahcos(aq) na, so(aq) +2 h20()+2 co2(g) d) 38 g a) 2.3 g b) 9.5 g c) 19 g
Answers: 1
What best describes the kinetic energy of two gas particles before and after a collision? select o...
Mathematics, 06.04.2021 19:30
Mathematics, 06.04.2021 19:30
Mathematics, 06.04.2021 19:30