is there any boys 15-17 that needs a gf? im looking for dirty minded hair in face brown or dark blonde hair green or blue or brown eyes.. and hes smart and will do anything 4 his gf .if this is you send me a message!

How many grams of oxygen gas are contained in a 15 l sample at 1.02 atm and 28°c? show your work.

Ill give u brainliest pls how is mass of carbon conserved during cellular respiration

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