Search found 50 matches

by NHolmes3L
Sun Dec 08, 2019 10:53 am
Forum: Biological Examples
Topic: chelate
Replies: 2
Views: 99

chelate

How do you know if a compound will chelate?
by NHolmes3L
Sun Dec 08, 2019 10:51 am
Forum: Biological Examples
Topic: porphyrin
Replies: 3
Views: 119

porphyrin

What do we need to know about porphyrin?
by NHolmes3L
Sun Dec 08, 2019 10:15 am
Forum: Air Pollution & Acid Rain
Topic: examples
Replies: 1
Views: 86

examples

Do we need to know these biological examples?
by NHolmes3L
Sun Dec 08, 2019 10:12 am
Forum: Identifying Acidic & Basic Salts
Topic: salt solutions
Replies: 6
Views: 120

salt solutions

What do we need to know about salt solutions?
by NHolmes3L
Sun Dec 08, 2019 10:05 am
Forum: Calculating pH or pOH for Strong & Weak Acids & Bases
Topic: common acids and bases
Replies: 4
Views: 79

common acids and bases

What are some common strong and weak acids and bases I should know?
by NHolmes3L
Sun Dec 08, 2019 10:03 am
Forum: Lewis Acids & Bases
Topic: all acids and bases
Replies: 4
Views: 128

all acids and bases

Do we need to know the difference between lewis and bronsted acids and bases?
by NHolmes3L
Sun Dec 08, 2019 9:30 am
Forum: Lewis Structures
Topic: hydrogen bonding
Replies: 2
Views: 124

hydrogen bonding

What is considered a hydrogen bonding site?
by NHolmes3L
Sun Dec 08, 2019 9:25 am
Forum: Dipole Moments
Topic: test 2 #6
Replies: 2
Views: 125

test 2 #6

why is CH2F2 polar?
by NHolmes3L
Sun Dec 08, 2019 12:55 am
Forum: Shape, Structure, Coordination Number, Ligands
Topic: oxidation number
Replies: 3
Views: 103

oxidation number

Does the element outside the brackets have anything to do with the oxidation number?
by NHolmes3L
Sat Dec 07, 2019 11:28 pm
Forum: Properties & Structures of Inorganic & Organic Acids
Topic: oxygen in acid strength
Replies: 1
Views: 96

oxygen in acid strength

Does the presence of oxygen make electronegativity matter more than bond length?
by NHolmes3L
Sat Dec 07, 2019 11:27 pm
Forum: Properties & Structures of Inorganic & Organic Acids
Topic: strength
Replies: 1
Views: 112

strength

does electronegativity or bond length matter more?
by NHolmes3L
Sat Dec 07, 2019 11:23 pm
Forum: Shape, Structure, Coordination Number, Ligands
Topic: polydentate
Replies: 4
Views: 159

polydentate

Can a ligand only give an electron pair if it only has one lone pair?
by NHolmes3L
Sat Dec 07, 2019 10:22 pm
Forum: Acidity & Basicity Constants and The Conjugate Seesaw
Topic: acid constants
Replies: 1
Views: 41

acid constants

Do we need to know the acid constants in the table?
by NHolmes3L
Sat Dec 07, 2019 10:22 pm
Forum: Acidity & Basicity Constants and The Conjugate Seesaw
Topic: base constants
Replies: 1
Views: 42

base constants

Do we need to know the base constants in the table?
by NHolmes3L
Sat Dec 07, 2019 5:48 pm
Forum: Amphoteric Compounds
Topic: acid, base, or amphoteric
Replies: 4
Views: 150

acid, base, or amphoteric

How do you determine between acid, base, and amphoteric?
by NHolmes3L
Sat Dec 07, 2019 4:46 pm
Forum: Lewis Acids & Bases
Topic: reactions
Replies: 2
Views: 42

reactions

do the reactions always take place with water?
by NHolmes3L
Sat Dec 07, 2019 4:45 pm
Forum: Lewis Acids & Bases
Topic: acid base reactions
Replies: 2
Views: 51

acid base reactions

if there are multiple protons, how do you know how many are donated?
by NHolmes3L
Sat Dec 07, 2019 4:44 pm
Forum: Lewis Acids & Bases
Topic: bases
Replies: 5
Views: 180

bases

How can you tell the difference between strong and weak bases?
by NHolmes3L
Sat Dec 07, 2019 4:44 pm
Forum: Lewis Acids & Bases
Topic: acids
Replies: 2
Views: 113

acids

how can you tell the difference between weak and strong acids?
by NHolmes3L
Sat Dec 07, 2019 2:48 pm
Forum: Shape, Structure, Coordination Number, Ligands
Topic: edta
Replies: 2
Views: 39

edta

How is edta hexadentate?
by NHolmes3L
Sat Dec 07, 2019 2:31 pm
Forum: Shape, Structure, Coordination Number, Ligands
Topic: polydentate ligands
Replies: 1
Views: 58

polydentate ligands

Is a ligand polydentate if it has more than two lone pairs?
by NHolmes3L
Sat Dec 07, 2019 2:30 pm
Forum: Shape, Structure, Coordination Number, Ligands
Topic: polydentate
Replies: 1
Views: 50

polydentate

How is C03 2- mono or bidentate?
by NHolmes3L
Thu Dec 05, 2019 8:52 pm
Forum: Shape, Structure, Coordination Number, Ligands
Topic: compound names
Replies: 1
Views: 44

compound names

Do we need to know all the names listed in the 9C.1 table?
by NHolmes3L
Thu Dec 05, 2019 8:50 pm
Forum: Shape, Structure, Coordination Number, Ligands
Topic: naming
Replies: 1
Views: 60

naming

What order do you write the elements in when going both ways?
by NHolmes3L
Thu Dec 05, 2019 8:48 pm
Forum: Shape, Structure, Coordination Number, Ligands
Topic: naming compounds
Replies: 1
Views: 36

naming compounds

When naming compounds, what are the roman numerals used for?
by NHolmes3L
Sun Nov 03, 2019 2:19 pm
Forum: Lewis Structures
Topic: Lewis structure
Replies: 3
Views: 46

Lewis structure

When creating lewis structures, sometimes the element in the middle ends up receiving more than 8 electrons, but is that okay if its charge is zero?
by NHolmes3L
Sun Nov 03, 2019 2:17 pm
Forum: Electron Configurations for Multi-Electron Atoms
Topic: dino nugget midterm review 10d
Replies: 4
Views: 73

dino nugget midterm review 10d

Why did N have a greater ionization energy than O and does this exception occur in any of the other elements?
by NHolmes3L
Sun Nov 03, 2019 2:09 pm
Forum: Electron Configurations for Multi-Electron Atoms
Topic: paul and hundd rules
Replies: 4
Views: 83

paul and hundd rules

Do we need to know Paul vs Hunds rules of electron configuration?
by NHolmes3L
Sun Nov 03, 2019 2:05 pm
Forum: Electron Configurations for Multi-Electron Atoms
Topic: electron configuration
Replies: 4
Views: 63

electron configuration

So when you have an cation, where u take out elections, say Ni3+. Where do you remove the electrons since you filled the 4s before the 3d?
by NHolmes3L
Sun Nov 03, 2019 2:02 pm
Forum: Electron Configurations for Multi-Electron Atoms
Topic: electron configuration
Replies: 2
Views: 44

electron configuration

Can someone explain why you would fill 4s before 3d
by NHolmes3L
Sun Oct 27, 2019 10:10 pm
Forum: Ionic & Covalent Bonds
Topic: Homework
Replies: 13
Views: 207

Re: Homework

yes, since that is what we are going over in class
by NHolmes3L
Sun Oct 27, 2019 10:09 pm
Forum: Ionic & Covalent Bonds
Topic: electron configuration order
Replies: 6
Views: 128

electron configuration order

does 4f or 5s come first?
by NHolmes3L
Sun Oct 27, 2019 10:05 pm
Forum: Ionic & Covalent Bonds
Topic: electron configuration
Replies: 5
Views: 83

electron configuration

what are the exceptions, like copper, and why are they different?
by NHolmes3L
Sun Oct 27, 2019 10:03 pm
Forum: Ionic & Covalent Bonds
Topic: Ionic v. Covalent
Replies: 6
Views: 65

Re: Ionic v. Covalent

covalent bonds are between two non metals who share electrons. ionic bonds are between a nonmetal and metal who take and loose electrons. covalent bonds are stronger because ionic bonds dissociate in water.
by NHolmes3L
Sun Oct 27, 2019 10:01 pm
Forum: Ionic & Covalent Bonds
Topic: periodic table
Replies: 10
Views: 123

periodic table

which direction on the periodic table does electronegativity increase/decrease?
by NHolmes3L
Sun Oct 20, 2019 1:04 pm
Forum: *Black Body Radiation
Topic: 1B.19
Replies: 2
Views: 147

1B.19

How do u calculate different wavelengths if the velocity is the same?
by NHolmes3L
Sun Oct 20, 2019 1:01 pm
Forum: *Black Body Radiation
Topic: Energy of photons
Replies: 4
Views: 185

Energy of photons

What is the difference between E=hv and E=1/2mv^2?
When do you use them?
by NHolmes3L
Sun Oct 20, 2019 1:00 pm
Forum: *Black Body Radiation
Topic: Wein's Law
Replies: 1
Views: 128

Wein's Law

Do we need to know Wein's Law
by NHolmes3L
Sun Oct 20, 2019 12:58 pm
Forum: Administrative Questions and Class Announcements
Topic: Stefan-B Law
Replies: 1
Views: 30

Stefan-B Law

Do we need to know the Stefan Boltzmann Law?
by NHolmes3L
Sun Oct 20, 2019 12:49 pm
Forum: Administrative Questions and Class Announcements
Topic: Accessing the E-textbook [ENDORSED]
Replies: 54
Views: 5943

Re: Accessing the E-textbook [ENDORSED]

I bought the looseleaf one for $190 and it came with the e-text version
by NHolmes3L
Thu Oct 10, 2019 3:14 pm
Forum: Empirical & Molecular Formulas
Topic: F.21
Replies: 2
Views: 82

F.21

Why aren't we supposed to convert the mg to grams?
by NHolmes3L
Sun Oct 06, 2019 10:34 pm
Forum: Molarity, Solutions, Dilutions
Topic: E.15
Replies: 2
Views: 98

E.15

Where is the sulfide in M(OH)2?
by NHolmes3L
Sun Oct 06, 2019 10:29 pm
Forum: Molarity, Solutions, Dilutions
Topic: E.13
Replies: 2
Views: 97

E.13

Could someone please explain the rearranging in E.13. How do you isolate the percent of one of the atoms?
by NHolmes3L
Sun Oct 06, 2019 9:54 pm
Forum: Molarity, Solutions, Dilutions
Topic: E.9
Replies: 3
Views: 115

E.9

For question E.9, it asks to write the formula for Magnesium Sulfate Heptahydrate. How am I supposed to figure our what the formula is.
by NHolmes3L
Sat Oct 05, 2019 12:35 pm
Forum: General Science Questions
Topic: Rusty on High School Chem [ENDORSED]
Replies: 198
Views: 140493

Re: Rusty on High School Chem [ENDORSED]

I am super rusty on Chemistry too. Going through the textbook and practice problems helps me the most. Crash Course Chemistry videos also are a great for review.
by NHolmes3L
Thu Oct 03, 2019 4:03 pm
Forum: Ideal Gases
Topic: Reading the textbook [ENDORSED]
Replies: 147
Views: 104706

Re: Reading the textbook [ENDORSED]

I find it much more helpful to read the textbook. Take it slow and take notes. Going through all the practice problems helps too to make sure you understand the material.

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