What type of battery is your flashlight battery? voltaic piles
dry cell batteries
lead-acid batteries
wet cell batteries

Take a look at this dandelion. the yellow flower on the right is pollinated and the seeds on the left are transported by

How does the attraction between particles affect the ability of a solvent to dissolve in a substance

Butane gas reacts with oxygen gas to give carbon dioxide gas and water vapor (gas). if you mix butane and oxygen in the correct stoichiometric ratio, and if the total pressure of the mixture is 390 mmhg, what is the pressure (in mmhg) of water vapor after the reaction is completed (temperature and volume do not change).