Г 4. You get to the drink stand, and you are feeling really hot. You order extra ice in your lemonade
A. When you hold the cup of lemonade, your hand quickly feels cold. Use the second law of
thermodynamics to describe why your hand will feel colder when you hold the lemonade.

Athin nonconducting rod with a uniform distribution of positive charge q is bent into a circle of radius r. the central perpendicular axis through the ring is a z-axis, with the origin at the center of the ring. a) what is the magnitude of the electric field due to the rod at z = 0? n/c (b) what is the magnitude of the electric field due to the rod at z = infinity? n/c (c) in terms of r, at what positive value of z is that magnitude maximum? r (d) if r = 4.00 cm and q = 9.00 µc, what is the maximum magnitude? n/c

Why does karst topography exist in some geographic location? a. few climates have enough oxygen b. most regions have rock layers other than limestone c. in most regions, the soil is too thin d. the water is too acidic enough in most places

The smallest particle of an element that retains its identity in a chemical reaction. true or false