What is the temperature, in Kelvin, of a 213.3 L cylinder at 855 mm Hg that contains 6.3 moles of neon, Ne, gas?

Kc = 0.040 for the system below at 450oc. if a reaction is initiated with 0.40 mole of cl2 and 0.40 mole of pcl3 in a 2.0 liter container, what is the equilibrium concentration of cl2 in the same system? pcl5(g) ⇄ pcl3(g) + cl2(g)

How is the atomic number of a nucleus changed by alpha decay

All of the following are homogeneous mixtures except a) sugar dissolved in water. b) orange juice. c) coffee with cream. d) household vinegar. e) apple juice