In the box provided, write a brief explanation of what assumption is made in order to determine the molecular weight of your unknown solute when it is dissolved in cyclohexane. for which factor in the expression for the freezing point depression do you not collect data?

Tall pacific coast redwood trees can reach heights of about 100 m. if air drag is negligibly small, how fast is a sequola cone moving when it reaches the ground f it dropped from the top of a 100 m tree?

Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?

In a simplified model of the human eye, the aqueous and vitreous humors and the lens all have a refractive index of 1.40, and all the refraction occurs at the cornea, whose vertex is 2.60 cm from the retina. what should be the radius of curvature of the cornea such that the image of an object 40.0 cm from the cornea’s vertex is focused on the retina?