When 1.00 mol of no( g ) forms from its elements, 90.29 kj of heat is absorbed. how kj much heat is evolved when 2.79 g of no decomposes to its elements? assistance

Ihat will happen if i added baking soda to vinegar

This element exists in adundance in the sun.explain how you would go about capturing sunlight.would this captured sunlight contain any of the element?

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