MnO2(s) + 4HCl(aq) → MnCl2(aq) + Cl2(g) + H2O How many grams of HCl are required to produce 11.2 liters of Cl2? The reaction occurs in the presence of excess HCl and at STP. A) 20.0 g B) 36.5 g C) 48.5 g D) 73.0 g

Need ! asap will mark 10 pts using the room temperature line (orange line) and your periodic table, make lists that identify the state of matter (gas, liquid, or solid) in which each element you plotted exists at room temperature. explain your answers

Asample of freon gas has a volume of 2.23 liters, a pressure of 4.85 kpa, and a temperature of -1.36°c. calculate the volume at a pressure of 1.38 kpa and a temperature of 5.5°c. (show work)

37.0 °c = °f (human body normal temperature)