Which of the following provides the best analogy for an electron in an atomic orbital?
a. a cow grazing in a pasture
b. a bird resting on a tree branch
c. an ant crawling on the surface of a leaf
d. a bee hovering around a bee hive

A30 kg weight lies on top of a massless piston of area a = 0.01 m2 the exterior air is at a (constant) p =1 atm and t = 27 c. the interior gas is 0.4 moles of (ideal) n2 and it has initial temperature 27.00 degrees c. 1. what is the initial pressure in the interior? a. 29.4 kpa b. 130.7 kpa c. 101.3 kpa the next three questions concern what happens when an amount of heat q is slowly added to the interior, raising the piston by 1 mm and raising the interior temperature to 27.40 c

Select all that applywhat are some basic resources a family is expected to provide for children? educationclothesspending

What is the weight of a 8-kg substance in n, kn, kg·m/s2, kgf, lbm·ft/s2, and lbf?