Exam 2 Review

​Exam 2 Review

​Week 5

​A review of week 5 content

Open Ended

C₆H₈O₆ + 2HNO₂ → C₆H₆O₆+ 2H₂O + NO₂

What is being oxidized, reduced? Why?

What is the reducing, oxidizing agent? Why?

Open Ended

Write the molecular, total ionic, and net ionic equations for the reaction between barium nitrate and ammonium phosphate.

​Week 6/7

Multiple Choice

A scientist adds 0.14097 g of an unknown gas to a 125-mL flask. If this scientist finds the pressure to be 736 torr at 20.0°C, the gas is likely to be: 

• O₂

• Si

• N₂

• Ne

Open Ended

Describe 2 ways to increase pressure.

​Week 8

Multiple Choice

Which of these have the units $$\frac{1}{\sec}$$  ?

• c

• E

• $$\nu$$  

• $$\lambda$$  

Multiple Choice

In an endothermic reaction, heat is going ____ the system.

• into

• out of

• through

Multiple Choice

In an exothermic reaction, heat is going ____ the system.

• into

• out of

• through

Draw

Draw and label the energy diagram for the freezing of water.

Multiple Choice

What is the shortest frequency of light required to remove an electron from a sample of Ti, the binding energy is 3.14 x 10³ kJ/mol

• 1.27 x 10¹⁵Hz

• 6.19 x 10¹⁵Hz

• 2.11 x 10¹⁵Hz

• 7.87 x 10¹⁵ Hz

• 4.74 x 10¹⁵ Hz

Multiple Choice

How many photons are contained in a burst of yellow light (589 nm) from a sodium lamp that contains 609 kJ of energy?

• 2.05 x 10¹³

• 2.48 x 10²⁵

• 3.06 x 10²⁴

• 1.80 x 10²⁸

• 1.80 x 10²⁴

​Orbitals

Open Ended

What is an orbital?

Multiple Choice

What shape is an s orbital?

• sphere

• daisy/clover

• peanut/dumbell

• does not matter to me

Multiple Choice

What shape is a p orbital?

• sphere

• daisy/clover

• peanut/dumbell

• does not matter to me

Multiple Choice

What shape is a d orbital?

• sphere

• daisy/clover

• peanut/dumbell

• does not matter to me

Draw

Write and draw the FULL electron configuration of Hydrogen.

Open Ended

What are the quantum numbers for hydrogen's only electron?

Draw

Write and draw the FULL electron configuration of Boron.

Open Ended

What are the quantum numbers for boron's final electron?

Draw

Write and draw the FULL electron configuration of Germanium.

Open Ended

What are the quantum numbers for germanium's final electron?

Draw

Write and draw the FULL electron configuration of Fluorine ion.

Open Ended

What are the quantum numbers for fluorine's gained electron?

​Cool Down

Poll

After completing this Supplemental Lesson^TM, how confident do you feel about this exam?

​P.S.

Review the elephant toothpaste problem​