5. A 4.44 L container holds 0.481 mol of O2 at 22.6°C. What is the pressure of the tank?
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Which of the following pairs of elements belong to the same groupa. h and he b. li and bec. c and pb d. ga and ge

The p sub shell can hold up to 8 electrons in an atom. true or false?

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