calculate the energy for the transition of an electron from the n=4 level to the n=5 level of a hydrogen atom

The climate of the continental united states is generally 1. tropical 2. temperate 3. arctic 4. highland

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

Acontrol during an experiment. might change remains constant does not exist does change