What is the iupac name of what is the iupac name of ch3 - ch3 - ch- ch2- ch2-ch3?

H2so4(aq) + mg(s)—> mgso4(aq) +h2(g) which substance is the acid in the reaction?

Llama have 74 chromosomes how many chromosomes will they be found in their gametes explain how you know

Harvey kept a balloon with a volume of 348 milliliters at 25.0˚c inside a freezer for a night.  when he took it out, its new volume was 322 milliliters, but its pressure was the same.  if the final temperature of the balloon is the same as the freezer’s, what is the temperature of the freezer? the temperature of the freezer is  kelvins.