Which of the following is the best hypothesis? O A. Water and Air would be a good name for a rock band. O B. Water is often warmer than air . O C. How much energy do I need to heat 100 g of water from 20°C to 40°C? O D. More energy is needed to heat 100 g of water than to heat 100 g of air.

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

Ab c or d ? i’m not sure what the answer is

8. what happens to matter during a chemical reaction