In the following reaction, select which direction the reaction would shift towards if the temperature increased:
PCI;(g) + Heat <> PC13(g) + Cl2(g)
O a
towards the reactants
Ob
towards the products

no shift will occur
Oc

The peak wavelength for the blackbody curve of a star is in the uv range. assuming the radiation from this star can reach earth, would you be able to see it?

0.09 moles of sodium sulfate in 12 ml of solution

What are the first two quantum numbers for the electrons located in subshell 4d? what are the first three quantum numbers for the electrons located in subshell 2s? how many electrons can be held in a sublevel l = 3? how many electrons can be held in the energy level n = 4? how many electrons in an atom can share the quantum numbers n = 4 and l = 3?