How do i sketch a titration curve when given the acid (h2co3 in this case), it's starting ph (5.5), it's pka1 (6.3) and pka2 (10. adding naoh (equivalents added) until reaching a ph of 12.
it sounds very simple to just plot the pka's and connect the dots, but i can't tell where i should start rising sharply to create the equivalence point

650.j is the same amount of energy as? 2720cal1550cal650.cal2.72cal

Which statement names the physical property of wood a. wood is softer than coal b. wood does not rust c. wood can rot d. wood can burn

For a research project, a student decided to test the effect of the lead(ii) ion (pb2+) on the ability of salmon eggs to hatch. this ion was obtainable from the water‐soluble salt, lead(ii) nitrate, which the student decided to make by the following reaction. pbo(s) + 2 hno3(aq) → pb(no3)2(aq) + h2o losses of product for various reasons were expected, and a yield of 86.0% was expected. in order to have 5.00 g of product at this yield, how many grams of pbo should be reacted? (assume that sufficient nitric acid, hno3, would be used.)