Hydrochloric acid, HCl, is produced by the equation H2 (g) + Cl2 (g) → 2HCl (g). If all meausrements are made at the same temperature and pressure, how many liters of HCl can be made from 3.25L Cl2?

a

1.63 L

b

2.00 L

c

3.25 L

d

6.50 L

Which of the following substances is the most soluble in water? a. sodium chloride b. methane c. bromine d. carbon

Dumbledore decides to gives a surprise demonstration. he starts with a hydrate of na2co3 which has a mass of 4.31 g before heating. after he heats it he finds the mass of the anhydrous compound is found to be 3.22 g. he asks everyone in class to determine the integer x in the hydrate: na2co3·xh2o; you should do this also. round your answer to the nearest integ

For the reaction i2(g)+br2(g)←−→2ibr(g), kc=280 at 150 ∘c. suppose that 0.450 mol ibr in a 2.00-l flask is allowed to reach equilibrium at 150 ∘c. what is the equilibrium concentration of 2ibr, i2, br2