If a sample of nitrogen gas in a sealed container of fixed volume is heated from 25°C to 125 degrees * C . the value of which of the following quantities will remain constant?

If the mass of the products measured 120g what would the mass of the reactants a. 30g b. 60g c. 120g d. 240g

If you add 5.00 ml of 0.100 m sodium hydroxide to 50.0 ml of acetate buffer that is 0.100 m in both acetic acid and sodium acetate, what is the ph of the resulting solution? acetic acid: ka = 1.8. x 10-5

How many grams of magnesium metal will react completely with 8.3 liters of 5.5m hcl? show all work