An acid has an acid dissociation constant of 2.8 10-9. What is the base dissociation constant of its conjugate base?

What happens to the particles during condensation

Water that freezes demonstrates which scientific process? A. chemical reaction B. increase in amount of matter C. phase change D. formation of new substance.

Given the following equation: 2 K3N - - - > 6 K + N2 How many moles of N2 can be produced by letting 12.00 moles of K3N react

What is the colour of FeSo4, 7 H2O crystal how does the colour change upon heating? Give balance equation for the change

No pure elements are liquids at room temperature.

Nitrogen dioxide (NO2) gas and liquid water (H2O) react to form aqueous nitric acid (HNO3) and nitrogen monoxide (NO) gas. Suppose you have 5.0 mol of NO2 and 11.0 mol of H2O in a reactor. Suppose as much as possible of the NO2 reacts.

How long does it take the Earth to rotation and revive

What is Charles' law formula?

Which stars have the highest absolute brightness? Select one: a. Supergiants b. Giants c. Yellow stars d. Dwarfs

What volume would 3.01•1023 molecules of oxygen gas occupy at STP?