If a sample of nh4hs is added to an evacuated flask at 298 k, what is the total gas pressure in the flask at equilibrium?

In an energy pyramid, which level has the most available energy?

Nan element’s square on the periodic table, the number with the greatest numerical value represents the

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