Helppp asap If the total pressure of a mixture of 4 gases is 2.76 atm and the partial pressure of 3 of the gases are 0.56 atm, 0.24 atm & 775 torr, then what is the partial pressure of the 4th gas in atm units?

You are making a solution of calcium chloride dissolved in water. you add solid, stir, and it dissolves. you add just a spatula tip full, stir, and the solid does not dissolve. how could you describe the solutions before and after adding the spatula tip amount

Sodium sulfate dissolves as follows: na2so4(s) → 2na+(aq) + so42- (aq). how many moles of na2so4 are required to make 1.0 l of solution in which the na concentration is 0.10 m?

How does a noncompetitive inhibitor reduce an enzyme’s activity?