How many grams of deuterium ?H (atomic mass = 2.0141 u) must be fused to helium “He (atomic mass 4.0026 u) in one second to produce 3000 MJ of energy? [1 u = 1.66 x kg=931.5Mev/c? ]

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

What material does not melt at any temperature

Which describes fat? a: a carbohydrate that produces energy b: a nucleic acid that directs cell function c: a lipid that stores energy d: a protein that speeds up a chemical reaction