A student blows up a balloon. She then places the balloon in a freezer. Initially, the balloon had a pressure of 6.2 atm and a temperature of 296 K. The temperature inside the freezer was 268 K. What is the new pressure of the balloon?

Which type of substance ionizes partially and gives off hydrogen ions when dissolved in water? a. strong acid b. strong base c. weak acid d. weak base

Astudent pours 10.0 g of salt into a container of water and observes the amount of time it takes for the salt to dissolve. she then repeats the process using the same amounts of salt and water but this time she slowly stirs the mixture while it is dissolving. the student performs the experiment one more time but this time she stirs the mixture rapidly. the dependent variable in this experiment is: time for salt to dissolve speed of stirring amount of water mass of salt

Which characteristics affect ocean water’s temperature? check all that apply. depth location mass salinity waves