Select the correct answer. Given: SnO2 2H2 → Sn 2H2O Tin oxide reacts with hydrogen to produce tin and water. How many moles of SnO2 are needed to produce 500. 0 grams of Sn? A. 1. 57 B. 4. 21 C. 634. 8 D. 59,350.

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

When an object falls through the air and encounters air resistance its overall speed will be than if it had not encountered air resistance? (one word answer)

Name the element in group 17, period 2. (periodic table)