Hello Everyone
I had a question(okay there are 2 questions)
Please can I have the answer as fast as possible!!
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It’s question number ‘12’
There are 2 parts, can I have the answer for both of them, please??

Which buffer would be better able to hold a steady ph on the addition of strong acid, buffer 1 or buffer 2? explain. buffer 1: a solution containing 0.10 m nh4cl and 1 m nh3. buffer 2: a solution containing 1 m nh4cl and 0.10 m nh3

As changes in energy levels of electrons increase, the frequencies of atomic line spectra they emit

According to the kinetic-molecular theory, what happens to a liquid when it is transferred from one container to another? the volume and the shape stay the same. the volume increases to fill the new container, but the shape stays the same. the volume stays the same, but the shape changes to fit the new container. the volume and the shape change to fill the new container.