The equation below represents a chemical reaction that produces a gas, 2Na(s) + 2H20(1) + 2NaOH(aq) + H2 (9) What is the theoretical yield in liters of H, gas if 5.00 g of Na are completely reacted and the H, gas is collected at STP? A 0.109 L B 2.44 L с 4.88 L 4.88 L D 5.09 L​

If 1.8 l of water is added to 2.5l of a 7.0 molarity koh solution, what is the molarity of the new solution

Use this information to determine the number of calends electrons in the atoms. which of the following correctly compares the stability of the two atoms? a) both are unreactive b) both are highly reactive c) a is unreactive and d is reactive d) a is reactive and d is unreactive

8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.