Determining the composition of stars is one way that light emission has been used to determine the chemical composition of an object. light emission is still used today by researchers. it is harnessed in instrumentation such as flame atomic absorption spectroscopy. provide an explanation of how this instrument works as if you are describing it to your non-science roommate. also, provide at least two uses of such an instrument.

Using the periodic table, complete the table to describe each atom. type in your answers. a ? b? c? d? e? f?

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

Particles vibrate in a rigid structure and do not move relative to their neighbors.