How much heat is needed to melt 35 g of ice at 0c

Schrodinger and heisenberg developed an alternate theory about atomic nature that contradicted some of bohr's model of the atom. how do changes resulting from new technology and evidence affect the reputation of the atomic theory?

0.2348 grams of pbcl2 used to form 44.0 ml of solution.

An observation that requires measurement is called quantitative observable or qualitative