If 15.8 grams of sodium react with excess water, how many liters of hydrogen gas can be produced at 303 kelvin and 1.30 atmospheres? 2 na (s) + 2 h2o  2 naoh (l) + h2 (g)

Will give brainliest it is a lab from k12 here is the linkfor each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. type your answer here. (score for question 3: of 5 points) were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. type your answer here. (score for question 4: of 5 points) make a general statement about the reactivity of the metals in this experiment. type your answer here.

Which formula can be used to calculate the molar mass of hydrogen peroxide

Although respiratory organs vary across different organisms, they all contain respiratory surfaces that have a large surface area and are extremely thin. explain why having an extremely thin respiratory surface with a large surface area is advantageous for the process of gas exchange