Calculate the system enthalpy change when 36. 0 grams of water ice are converted to liquid after placing the ice at t=210. K in contact with a heating block maintained at t=370. K.

In the first law of thermodynamics, triangle e=q-w, what does q stand for

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?

Abar magnet cut in half will form a total ofpoles. a)fourb)eightc)two