Chapter 5
Chapter 6
Chapter 7
Chapter 8/9
Chapter 9/10
100
1 mol @ STP is how many L?
22.4 L
100
System gains thermal energy while the work is done by the system. Indicate if Q and W are either endo thermic or exothermic.
Q= endo
W= Exo
100
Which of the 4 following sets of quantum numbers is wrong?
- n=4, l=3, ml=2
- n=3, l=1, ml =-1
- n=1, l=0, ml=-3
- n=3, l=3, ml=2
3
100
Give the correct electron configuration for the following elements/ions. How many valence electrons?
Zr
Cd
As
[Kr]5s24d2
[Kr]5s24d10
[Ar]5s23d104p3
100
Give Bond angle of molecule with Tetrahedral Shape
109. 5 ish
200
Combined Gas Law vs Ideal Gas Law? (equation)
P1V1/T1= P2V2/T2
Pv=nRT
200
A reaction has 543 J of energy done onto it while releasing 1211 J of heat. What is the ΔE of the reaction?
-668 J
200
Calculate the frequency of a wave of light with a wavelength of 589 nm.
5.09 x 1014 s-1
200
Put the following atoms/ions in decreasing order of atomic size:
K+ S-2 Ca2+ Cl-
S-2 > Cl- > K+ >Ca2+
200
Determine Molecular geometry and Electron Geometry of
ClF3
EG: Trigonal Bipyramidal
MG: T-Shaped
300
What is the molar mass of a 21.4 g of a gas in a volume of 18.48L at 125oC and 2.1 atm?
18.01 g/mol
300
A reaction does 675 kJ of energy onto its surroundings while releasing 1543 J of heat. What is the ΔE of the reaction in J?
-676543 J
300
Calculate the wavelength in nm of a wave of light that has a frequency of 3.22 x 1012 s-1.
9.32 x 104 nm
300
Put the following elements in order of decreasing metallic character
Ir C Ge Ba
Br > Ir > Ge > Ba
300
Draw a shape, and indicate Molecular Geometry, Electron Geometry, and Hybridization of:
ICl5
---- I have the picture on my sheet lol ---
400
What is the density of 0.391 g of SO2 at 750 mmHg and 22oC?
2.61 g/L
400
A pot of 2.34 L of water is heat from 25oC to 90oC. How much heat did the water absorb? The specific heat capacity of water is 4.18 J/goC, and the density is 1.00 g/mL.
636 kJ
400
A laser has a wavelength of 432 nm contains 4.21 mJ of energy. How many photons does it contain?
9.15 x 105 photons
400
Lewis structure for
SO42-
----Picture----
400
Draw a shape, and indicate Molecular Geometry, Electron Geometry, and Hybridization of:
ClO3-
---- I have the picture on my sheet lol ---
500
A gas mixture contains 0.70 mol of N2, 0.20 mol of H2, and 0.10 mol of CH4. (1.) What is the mole fraction of H2 in the mixture? (2.) Calculate the pressure of the gas mixture and (3.) the partial pressure of each constituent gas if the mixture is in a 10.0 L vessel at 27oC.
nH2= 0.2, nN2= 0.7, nCH4= 0.1
1. XH2= 0.2 mol
2. Ptot= 2.46 atm
3. xH2= 0.492, xN2= 1.722, xCH4= 0.246
500
A piston is expanded from a volume of 0.221 L to 1.06 L with an external pressure of 1.24 atm. How much work is done in Joules? (1 L*atm = 101.3 J)
-105 J
500
Calculate the wavelength of an electron traveling with a speed of 3.22 x 107 m/s in nm
2.26 x10-2 nm
500
Lewis structure for Cl2CO
---Picture---
500
Hybridization and Bond angle C:1,3,5,6
1: sp, 180
3: sp3, 109.5
5: sp3, 109.5
6:sp2, 120