You have two solutions, both with a concentration of 0.1M. Solution A contains a weak acid with a pKa of 5. The pH of solution A is 3. Solution B contains a weak acid with a pKa of 9. The pH of solution B is:

A gas sample has a volume of 178 mL at 0.00oC. The temperature is raised at constant pressure until the volume reaches 211 mL. What is the temperature of that gas sample at this volume?

Using a molar heat of combustion of - 890 kJ/mol, The minimum mass of methane that must be burned to warm 5.64 kg of water from 21.5°C to 77.4°C, assuming no heat losses to the environment is ab. c g. Put your answer for ab. c in the blank.

The atomic number of an atom is always equal to the number of its (1) protons, only (2) neutrons, only (3) protons plus neutrons (4) protons plus electrons

Nuclear energy cannot be contained nor controlled

What are the Isotopes of iron

How to knof if d orbital is paramagnetic?

Sedimentary rocks may form far away from where the sediments formed. what two processes bring sediments to a new location

The measure of the force with which air molecules push on a surface that a called

Which property of CNG is used to fill it in cylinders?

How many milliliters of 2.55 m naoh is needed to make 125 ml of 0.75 m naoh solution?