Chapter 7
What is the electron configuration of Zn?
30Zn: 1s2 2s2 2p6 3s2 3p6 4s2 3d10
What is the molecular geometry of H2O?
Bent (<109.5°)
Rank the 4 intermolecular forces from weakest to strongest.
London dispersion < Dipole-dipole < Hydrogen bonding < Ion-dipole
What is the electron configuration of potassium?
19K: 1s2 2s2 2p6 3s2 3p6 4s1
How many bonds does CH4 have?
4 bonds
Calculate the heat (in kilojoules) if we use 155 grams of NH3 in this equation:
4 NH3 (g) + 5 O2 (g) --> 4 NO (g) + 6 H2O (g)
2060 kJ
What is the electron configuration of chlorine?
17Cl: 1s2 2s2 2p6 3s2 3p5
How many lone pairs does ammonia have?
1 lone pair
How many grams of N2 should be used to absorb 2.91 kilojoules of heat?
∆Hrxn = +183 kJ
N2 (g) + O2 (g) --> 2 NO (g)
0.446 grams of N2
What is the shorthand configuration of manganese?
How many bonds does sulfur trioxide have?
6 bonds (3 double bonds)
What IMFs does hydrogen fluoride have?
London dispersion forces, hydrogen bonding, and dipole-dipole forces
What is the shorthand configuration of Ca2+?
20Ca: 1s2 2s2 2p6 3s2 3p6
What is the molecular geometry of PO43-?
Tetrahedral (109.5°)
What IMFs does water have?
London dispersion forces, hydrogen bonding, dipole-dipole forces, and ion-dipole forces