Some scientists believe that helium should not be used to inflate party balloons. why

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

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

Which of the following describes the entropy change as a solution is made from a liquid and solid