Hydrogen and Helium
11 Answers · Science & Mathematics · 10/01/2020
Slowly, the hydrogen available to make new stars is being used up. It's also disbursing, getting more and more rarefied - so, new star formation will dwindle, then finally end.
14 Answers · Science & Mathematics · 08/12/2019
That's hydrogen sulfide, caused by what foods you eat (high protein foods, beer) or a side effect of GERD.
3 Answers · Health · 07/07/2019
Sodium + water ➜ Sodium Hydroxide + Hydrogen 2Na + 2H₂O ➜ 2NaOH + H₂ molecular weights...
2 Answers · Science & Mathematics · 19/11/2019
They have experimented with hydrogen cars that run on water. They are somewhat dangerous, complicated, and way too expensive.
2 Answers · Environment · 07/01/2020
... something. The iron and the anti iron has less mass than the hydrogen and anti hydrogen. This mass defect is equivalent to the energy gained...
3 Answers · Science & Mathematics · 29/05/2020
No, hydrogen peroxide. The baking soda will leave a white power residue.
4 Answers · Health · 04/10/2019