Astudent measured 257 ml of 0.254 m hcl solution into a beaker. how many moles of hci were in the beaker?

Jewelweed, a flowering plant, has seed pods that burst open when touched and forcefully eject their seeds. these structures are favorable because they a. can cause genetic changes to occur. b. prevent germination within the seed pod. c. aid in the dispersal of the species. d. attract insects that aid in pollination.

Anyone who's in connections academy chemistry b have the factors that affect the rate of a reaction portfolio already done?

Acetylene gas c2h2 undergoes combustion to produce carbon dioxide and water vapor how many grams of water are produced by the same amount of c2h2?