Labels on certain foods state that they contain partially hydrogenated fats. This means:
A.
there are unsaturated fats in the product
B.
hydrogen has been added to some of the double bonds in the fats
C.
the product has a low melting point
D.
All of these are true

Δu of , in kj/kg, as it isto k, (a)as a of , (b) at , (c) at .

Which of the following is not true about the atomic model of substances?

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