Water (H2O) and hydrogen fluoride (HF) are both polar molecules. Which of the following statements are true about the attractions between water and hydrogen fluoride when they are mixed together? Choose the two statements that apply. (Hint: In HF, the F atom attracts the shared electron more than the H atom.) *

the rearrangement of particles in a physical change. hope this

according to jean piaget, in what stage of cognitive development are children able to understand conservation task?

b. preoperational

just took it

= initial pressure

= final pressure = 2

= initial volume

= final volume = /4

= initial temperature = 20 c = 20 + 273 = 293 k

= final temperature = ?

using the equation