Real Gasses
What is the value of R with units of J/mol*K?
8.314
What are the possible values for ml if n=3?
-2, -1, 0, 1, 2
What element is designated by the following electron configuration?
1s2 2s2 2p6 3s2
Magnesium (Mg)
A certain microwave has a wavelength of 0.032 meters. Calculate the frequency of this microwave.
9.4 x 109 Hz
Which element is the central atom in the following chemical formula? COH2
Carbon (C)
Under what conditions will real gasses obey the ideal gas law?
Low pressures and high temperature
How many angular and radial nodes are in a 4d orbital?
2 angular nodes.
1 radial node.
What is the electron configuration of Phosphorus?
1s2 2s2 2p6 3s2 3p3
The yellow light given off by a sodium vapor lamp used for public lighting has a wavelength of 589 nm. What is the frequency of the light?
5.09 x 1014 Hz
How many electrons are in the following chemical formula? NH4+
8 electrons
What is the speed of krypton at 80.0 oF?
299 m/s
Draw a 3p orbital. Include all nodes and charges.
Drawing 1
What is the shorthand/abbreviated electron configuration of Tin?
[Kr] 5s2 4d10 5p2
Calculate the energy of one photon of yellow light that has a frequency of 5.09 x 1014 Hz.
3.37 x 10-19 J
Draw the Lewis structure for NH3Cl+.
Drawing 4
What is the observed pressure for 225mL of Cl2 gas at 295 K using van der Waal's equation? (a= 5.42, b=0.0540, n=2.50)
3.30 atm
Draw the radial distribution graph for a 3s orbital.
Drawing 2
What element is classified by the following shorthand electron configuration?
[Xe] 6s² 4f⁵
Promethium (Pm)
A radio station broadcasts at a frequency of 590 KHz. What is the wavelength of the radio waves?
5.1 x 102 m
Draw all resonance structures for CO32-
Drawing 5
What is the value of 'b' for 125 mL of Cl2 at 355 K and 1.50 atm using Van der Waal's equation? (Use a = 6.49, and n = 1.00)
0.055
Draw a 4d orbital and its corresponding radial distribution graph. Include all charges and nodes on your orbital drawing.
Drawing 3
What is the shorthand/abbreviated electron configuration of Zn2+?
[Ar] 4s0 3d10
Or: [Ar] 3d10
Microwave ovens emit microwaves with a wavelength of 12.9 cm. What is the energy of exactly one photon of this microwave?
1.54 x 10-24 J
Draw all resonance structures for dihydrogen phosphate.
Drawing 6