Which describes john dalton’s observations of elements in any given compound?

their masses are always equal.

each element always contributes the same number of atoms.

atoms of different elements always combine in the same way.

their volumes are always equal.

Aforce of attraction/repulsion due to the spin of electrons what is this force?

2. how is heavy water different from normal water

The following reaction shows the products when sulfuric acid and aluminum hydroxide react. al(oh)3 + h2so4 → al2(so4)3 + h2o the table shows the calculated amounts of reactants and products when the reaction was conducted in a laboratory. sulfuric acid aluminum hydroxide initial amount of reactant 40 g 15 g theoretical yield of water from reactant 14.69 g 10.38 g what is the approximate amount of the leftover reactant? 11.73 g of sulfuric acid 10.33 g of sulfuric acid 11.12 g of aluminum hydroxide 13.67 g of aluminum hydroxide