Given a diprotic acid, H2A, with two ionization constants of Ka1 = 2.4x10^-4 and Ka2 = 4.9x10^-11, calculate the pH for 0.182 M solution of NaHA.

Which formula/name pair is incorrect? question 2 options: mn (no3) 2 manganese (ii) nitrate mg (no3) 2 magnesium nitrate mg3n2 magnesium nitrite mn (no2) 2 manganese (ii) nitrite mg (mno4) 2 magnesium permangana?

A reaction will be spontaneous at all temperatures if the reaction? A. has a positive value for free energy change. B. is exothermic and accompanied by an increase in disorder. C. is endothermic and accompanied by a decrease in disorder. D.

How many peanuts do bison eat?

Ammonium nitrate + calcium hydroxide =

After observing (you can repeat the process more than once), write a general statement explaining how reducing the volume changes molecular motion, temperature, and pressure. When the volume of the container is decreased.

If you change the state of something, say, liquid to solid, is it a physical or chemical change?

What type of calorimeter would be best to use if you wanted to measure the heat that is released when gasoline is burned?

Tina has a sample of gaseous water at a temperature of 400 C and a pressure of 4 atm. If Tina increases the pressure to 200 atm, will the gaseous water liquefy? Why or why not?

Label the molecular shape around each of the central atoms in the amino acid glycine. hint

Which has more atoms, 2moles of carbon or 2 moles of aluminum