(a) The Ideal Gas Law equation is derived from the three gas laws. Explain the
THREE gas laws by providing mathematical equations showing the
relationship between the relevant quantities.
(b) A closed gas cylinder contains 0.500 mol H2, 0.300 mol O2, 1.200 mol CO2 at a
temperature of 25 °C and a pressure of 2.00 atm.
i. Explain Dalton’s Law of partial pressure.
ii. Calculate the volume of the cylinder.
iii. Calculate the partial pressure of O2 in the container
2.
(a) Explain what is the valence electron is and why the Lewis symbol for an atom only accounts for electrons in the valence shell of the atom.
(b) Sketch the Lewis Dot Structure for each of the following compounds and state the molecular geometry.
i. BeF2
ii. BCl3
iii. CCl4
iv. PBr5
(c) What is the octet rule and how it is achieved?
A closed gas cylinder contains 0.500 mol H2, 0.300 mol O2, 1.200 mol CO2 at a temperature of 25 °C and a pressure of 2.00 atm.
If n=3,find the
Write the electron configuration for the following elements in the ground state.
Write the electron configuration for the following elements in the ground state.
A closed gas cylinder contains 0.500 mol H2, 0.300 mol O2, 1.200 mol CO2 at a temperature of 25 °C and a pressure of 2.00 atm.
a. Explain what is the valence electron is and why the lewis symbol for an atom only accounts for electrons in the valence shell of the atom
b. sketch the lewis dot structure for each of the following compounds and state the molecular geometry.
i. BeF2
ii. BCI3
iii. CCI4
iv. PBr5
c. what is the octet rule and how it is achieved?
4 NH3 (g) + 5 O2 (g)a 4 NO(g) + 6 H2O(g)
Assume that 1.50 g of NH3 react with 2.75 g O2, then;
a. determine the limiting reactant
b. calculate how many grams of NO and H2O will form in the reaction above
c. calculate how many grams of the excess reactant will remain after the reaction is complete.
d. if the yield obtained for NO is 1.80 grams and yield obtained for H2O is 1.50 grams, calculate the percent yield of NO and H2O in this reaction
(atomic mass of N=14; O=16; H=1)
1. The ideal gas law equation is derived from the three gas laws. Explain the three gas laws by providing mathematical equations showing the relationship between the relevant quantities.
2. A closed gas cylinder contains 0.500 mol H2, 0.300 mol O2,1.200 mol CO2 at a temperature of 25 degree and a pressure of 2.00 atm.
i. Explain dalton law of partial pressure
ii. Calculate the volume of the cylinder
iii. Calculate the partial pressure of 02 in the container
3. Sketch the S orbital and the 3 types of P Orbitals.
4. Which of the quantum numbers govern,
i. The shape of an orbital?
ii. The energy of an orbital
iii. The spin properties of the electron?
iv. The spatial orientation of the orbital?
5. Write the electron configuration for the following element in the ground state.
i. P and P-3 (atomic number = 15)
ii. Ca and Ca2+ (atomic number =20)
6. If n=3, find
i. Angular momentum quantum number, I
ii. Subshell designation
iii. Magnetic quantum number, mI
iv. Number of orbital in subshells