## Search found 15 matches

Wed Dec 04, 2019 11:18 am
Forum: Shape, Structure, Coordination Number, Ligands
Topic: What is s-character?
Replies: 1
Views: 46

### What is s-character?

There is a textbook question thats asks whether the bond angle between two hybrid orbitals to increase or decrease as the s-character of the hybrids is increased? what is s-character?
Sun Oct 20, 2019 12:14 am
Forum: Properties of Electrons
Topic: Constants given on tests?
Replies: 2
Views: 65

### Constants given on tests?

Will the value or different constants be given on tests?
Sun Oct 20, 2019 12:11 am
Forum: Properties of Electrons
Topic: Energy increasing
Replies: 7
Views: 161

### Energy increasing

When it says as you increase in energy levels, the energy increases. Does that mean energy of the electrons or of the whole atom?
Sun Oct 20, 2019 12:09 am
Forum: DeBroglie Equation
Topic: Mass of electron and photon
Replies: 5
Views: 137

### Mass of electron and photon

Will be expected to memorize the mass of electrons and photons?
Sun Oct 20, 2019 12:07 am
Forum: Heisenberg Indeterminacy (Uncertainty) Equation
Topic: 1.B #27
Replies: 4
Views: 82

### 1.B #27

Don't really understand the concept behind this problem, could someone explain? A bowling ball of mass 8.00 kg is rolled down a bowling alley lane at 5.00 6 5.0 m/s-1. What is the minimum uncertainty in its position?
Sun Oct 20, 2019 12:05 am
Forum: Heisenberg Indeterminacy (Uncertainty) Equation
Topic: 1.B #15
Replies: 2
Views: 48

### 1.B #15

Could someone explain the homework problem #1.B 15) What is the minimum uncertainty in the speed of an electron confined within a lead atom of diameter 350. pm? Model the atom as a one-dimensional box with a length equal to the diameter of the actual atom.
Wed Oct 16, 2019 12:33 pm
Forum: Properties of Electrons
Topic: Properties of P momentum
Replies: 3
Views: 88

### Properties of P momentum

How does p momentum involved in energy of a photon or electron? What is the relationship with energy, wavelength, and/or frequency if there is one.
Wed Oct 16, 2019 12:30 pm
Forum: Photoelectric Effect
Topic: 1B 15 Part C
Replies: 4
Views: 115

### 1B 15 Part C

I am confused behind the process of part c of this question "The velocity of an electron that is emitted from a metallic surface by a photon is 3.6 3 10 km?s . (a) What is the wavelength of the ejected electron? (b) No electrons are emitted from the surface of the metal until the frequency of t...
Wed Oct 16, 2019 12:26 pm
Forum: Properties of Light
Topic: Difference between Quanta and photons?
Replies: 6
Views: 106

### Difference between Quanta and photons?

What is the difference between quanta and photons as description of light?
Wed Oct 16, 2019 12:24 pm
Forum: Properties of Light
Topic: Concept of Rainbows
Replies: 1
Views: 69

### Concept of Rainbows

This is probably a weird question to ask but Lavelle mentioned in class the concept of rainbows and how its the sunlight passing through the water droplets in the air that act like prisms to deflect light as a rainbow. But I was wondering why don't we see forms of rainbows more often like when we ca...
Wed Oct 16, 2019 12:19 pm
Forum: SI Units, Unit Conversions
Topic: Use of Angstrom?
Replies: 3
Views: 93

### Use of Angstrom?

How often will be expected to convert to units of Angstrom? When is it used the most in Chemistry?
Wed Oct 16, 2019 12:17 pm
Forum: Molarity, Solutions, Dilutions
Topic: What is Molarity?
Replies: 11
Views: 435

### What is Molarity?

Could someone please explain molarity and what it means because for different problems in the book it explains it in different contexts like transferring a distinct molarity of something into a particular beaker? Just the wording of some of the problems is confusing.
Wed Oct 16, 2019 12:14 pm
Forum: Accuracy, Precision, Mole, Other Definitions
Topic: Question regarding definition of molecules
Replies: 5
Views: 299

### Question regarding definition of molecules

I was confused with the differences of when to use the Avogadro's constant as I thought it was used to find atoms per mole, but in other cases it's used to find molecules per mole. Could someone please maybe explain the difference between or shed some light on what the constant really means?
Wed Oct 16, 2019 12:10 pm
Forum: Limiting Reactant Calculations
Topic: Fundamentals Problem Question
Replies: 1
Views: 164

### Fundamentals Problem Question

Hi, I'm having trouble understanding the fundamental problem M11). It reads "A reaction vessel contains 5.77 g of white phosphorus and 5.77 g of oxygen. The first reaction to take place is the formation of phosphorus(III) oxide, P4O6: P4(s) 1 3 O2(g) S P4O6(s). If enough oxygen is present, the ...
Wed Oct 16, 2019 12:08 pm
Forum: SI Units, Unit Conversions
Topic: Fundamentals Problem Question
Replies: 2
Views: 80

### Fundamentals Problem Question

Hi, I'm having a problem understanding the fundamental problem M9. It reads "Copper(II) nitrate reacts with sodium hydroxide to produce a precipitate of light blue copper(II) hydroxide. (a) Write the net ionic equation for the reaction. (b) Calculate the maximum mass of copper(II) hydroxide tha...