The products of the hcl and naoh reaction are nacl and h 2o. fernando places a conductivity tester in the nacl and h 2o solution from the experiment. the light bulb turns on. he knows nacl is an ionic compound. explain what fernando concludes about the conductivity of an ionic compound in h 2o.

Which type of fossil does this image depict?

Why is the melting of ice a physical change ?

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