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Molecular Geometry The molecular geometry of a molecule describes the three-dimensional shape of just the atoms. This is in contrast to the electronic geometry, which describes the shape of all electron regions. In order to determine the molecular geometry of a molecule, one must first determine the electronic geometry by drawing the Lewis structure. Part A What is the molecular geometry of NH_3? Part B What is the molecular geometry of CO_2? Part C What is the molecular geometry of H_2O?
The decomposition of nitrosyl bromide is shown below (Kp=2.3*10^-3) if .25 atm of wach gas is initially present is the reaction at equilibrium. If not explain the direction the reaction must proceed to reach equilibrium.
An emission line in the hydrogen spectrum appears in the infrared region at 956 nm. What transition produced this line? Clearly indicate both nf and ni.
Calculate the change in the entropies of the system and the surroundings, and the total change in entropy, when a sample of nitrogen gas of mass 14 g at 298 K and 1.00 bar doubles its volume in a.) an isothermal reversible expansion
Find the pH of a 0.130 M solution of a weak monoprotic acid with a Ka value of 1.6 *10(to the power of -6)
A solution of ammonia and water contains 3.00×1025 water molecules and 5.10×1024 ammonia molecules. How many total hydrogen atoms are in this solution?
How many grams of nickle would be electroplated by passing a constant current of 7.2(A) through a solution of NiSO4 for 90.0 min
The volume of a gas is 93 mL when the temperature is 91 C. if the temperature is reduced to 0 C without changing the pressure, what is the new volume of the gas
Rank SCl2, PCl3, and SiCl4 in order of increasing ionic character of their bonds. Use polar arrows to indicate the bond polarity of each bond.
When a 1.90 mg sample of methane burns in excess oxygen, how many grams of water and carbon dioxide are formed?
Water/methanol and water/acetone are viable solvent systems for recrystallization, but water/chloroform and water/pentane are not
The 1995 Nobel Prize in Chemistry was shared by Paul Crutzen, F. Sherwood Rowland, and Mario Molina for their work concerning the formation and decomposition of ozone in the stratosphere
When heated, ammonium carbonate decomposes as follows. NH4CO2NH2(s) ->2 NH3(g) + CO2(g) At a certain temperature the equilibrium pressure of the system is 0.318 atm. Calculate KP for the reaction.
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