. A student had a 37.8g sample of compound X. The percent of nitrogen in this compound is 17.2%. How many grams of nitrogen are present in this sample?

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

Your friend offers to show you an intrusive igneous rock. which of the following would you expect to see?

How does kepler second law of planetary motion overthrow one of the basic beliefs of classical astronomy