Quien quiere se mi amigo (a)

Which object forms when a supergiant runs out of fuel? a red giant a black hole a white dwarf a neutron star

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

Ineed this asap part i: scientific method what is the difference between science and pseudoscience? what is the scientific method?