How many moles are contained in a 4.67-l sample of gas at 30°c and 199 kpa?

How will the emission of an alpha particle affect the atomic number of an atom

Write the balanced equation for a reaction between aqueous nitric acid (hno3) and solid lithium metal (this is a single replacement reaction)

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