A 0.682 g sample of aluminum metal was reacted with dilute sulfuric acid and the hydrogen evolved was collected over mercury at a barometric pressure of 737 torr and a temperature of 22 degrees C. What volume of hydrogen gas was collected

Select the correct answer. which phrase correctly describes temperature? o a. average rotational kinetic energy of the particles in an object o b. average energy of the particles in an object c. average translational kinetic energy of the particles in an object od. all energy possessed by the particles in an object

What is the equilibrium constant of aa+bb=cc+dd

If a solution is considered basic, then a) the hydroxide ion and hydronium ion concentrations are equal. b) the hydroxide ion concentration is less than the hydronium ion concentration. c) the hydronium ion concentration is greater than the hydroxide ion concentration. d) the hydroxide ion concentration is greater than the hydronium ion concentration.