A sample of krypton gas occupies 66.7 L at 25C assuming constant pressure what will the temperature of the gas be in kelvin if the volume increases to 100 L

You wish to prepare a buffer consisting of acetic acid and sodium acetate with a total acetic acetate plus acetate concentration of 250 mm and a ph of 5. what concentrations of acetic acid and sodium acetate should you use

Now look at the segment of the graph between the two data points marked with black squares. describe how the boiling point and melting point plots behave between these points. be as specific as possible.

Select the correct location on the image identify the element that humans need to breathe. 2015 er r ights reserved