Five gases combined in a gas cylinder have the following partial pressures: 3. 00 atm (N2), 1. 80 atm (O2), 0. 29 atm (Ar), 0. 18 atm (He), and 0. 10 atm (H). What is the total pressure that is exerted by the gases? Use mc020-1. Jpg. 5. 08 atm 5. 19 atm 5. 27 atm 5. 37 atm.

You encounter a solution that is acidic and you decide to test it by adding a small amount of a strong acid. the ph lowers slightly but is approximately unchanged, and still remains acidic. what can you say about the solution? a. it is a buffer solution. b. it is not a buffer solution it is a strong acid solution. d. the solution has been neutralized. e. the solution has excess acid present

According to periodic trend, which of the following most likely has the highest ionization energy? kr be ni sc

In an exothermic reaction the bonding energy of the product is: less than the reactants same as the reactants greater than the reactants dependent upon the presence of a catalyst