Scientist recently discovered a giant start it is 90 times larger than the sun and is very hot and blue white in color why does the sun appear to be brighter than this star when viewed from earth

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. initial mass and yield 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

Identify the electromagnets with poles that are reversed from the electromagnet shown above

If two identical atoms are bonded, what kind of molecule is formed