Wayne Breslyn (Dr. B.) - Invidious

Wayne Breslyn (Dr. B.)

Dr. B is chemist and learning scientist who enjoys creating videos to help students with chemistry and other science topics. He has taught science for over twenty years in the U.S. and internationally. He holds a Ph.D. in Curriculum & Instruction from the University of Maryland where he works on research projects investigating how people learn science.

To become a channel member:
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Read his recent research article in the Royal Society of Chemistry’s Chem. Educ. Res. & Practice journal at pubs.rsc.org/en/content/articlehtml/2020/rp/c9rp00… .

You can find more help with chemistry at www.Breslyn.org .

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1:29

Finding the Limiting Reactant – (New and improved!)

Wayne Breslyn (Dr. B.)

Shared 1 day ago

490 views

1:18

Magnesium Metal vs Hydrochloric Acid: Who wins?

Wayne Breslyn (Dr. B.)

Shared 2 weeks ago

1.2K views

1:07

Which has a greater electronegativity, Carbon or Nitrogen?

Wayne Breslyn (Dr. B.)

Shared 3 weeks ago

929 views

1:00

Moles to Grams in One Minute (Really!)

Wayne Breslyn (Dr. B.)

Shared 4 weeks ago

3.4K views

1:41

Hydrogen Bonding between Water Molecules: Explanation, Examples, & Properties

Wayne Breslyn (Dr. B.)

Shared 1 month ago

1.5K views

0:30

Floating Paperclip Compass Experiment (by request)

Wayne Breslyn (Dr. B.)

Shared 1 month ago

1.4K views

0:55

Example of Hydrogen Bonding (DO try this at home!)

Wayne Breslyn (Dr. B.)

Shared 1 month ago

74K views

5:16

Electronegativity Explained: Trends, Definitions, & Examples

Wayne Breslyn (Dr. B.)

Shared 2 months ago

1.7K views

9:05

Single, Double Replacement, and Combustion Reactions

Wayne Breslyn (Dr. B.)

Shared 2 months ago

3.9K views

1:30

How many hydrogen bonds can a water molecule form?

Wayne Breslyn (Dr. B.)

Shared 2 months ago

3.1K views

2:12

Write the Molecular, Structural, and Skeletal Formula for Propionic Acid (C₃H₆O₂)

Wayne Breslyn (Dr. B.)

Shared 3 months ago

746 views

3:11

Ether vs. Alcohol: Key Differences, Structures, and Examples

Wayne Breslyn (Dr. B.)

Shared 3 months ago

760 views

3:39

Ether vs. Ester: Differences, Structures, and Examples

Wayne Breslyn (Dr. B.)

Shared 3 months ago

1.4K views

3:20

Primary, Secondary, and Tertiary Amines || Structure, Examples & Identification

Wayne Breslyn (Dr. B.)

Shared 3 months ago

1.3K views

2:21

Polar vs. Non-polar Bonds

Wayne Breslyn (Dr. B.)

Shared 3 months ago

4.2K views

1:11

Solute vs Solvent - Definition & Differences

Wayne Breslyn (Dr. B.)

Shared 3 months ago

720 views

2:20

Ketone vs Aldehyde - Definition & Differences

Wayne Breslyn (Dr. B.)

Shared 3 months ago

1.6K views

1:55

Intermolecular vs. Intramolecular Forces: Definitions & Key Differences

Wayne Breslyn (Dr. B.)

Shared 3 months ago

1.5K views

0:47

Predicting Chemical Reactions: Getting Started

Wayne Breslyn (Dr. B.)

Shared 4 months ago

6K views

1:59

Can isotopes also be ions?

Wayne Breslyn (Dr. B.)

Shared 4 months ago

1.4K views

2:59

Average Atomic Mass vs. Mass Number

Wayne Breslyn (Dr. B.)

Shared 4 months ago

2K views

47:07

Supercut: How to Draw Lewis Structures for Chemistry – Basics, Formal Charge, & Resonance

Wayne Breslyn (Dr. B.)

Shared 5 months ago

4.2K views

3:56

How to Use AXE Notation to Find Molecular Geometry (Based on a Lewis Structure)

Wayne Breslyn (Dr. B.)

Shared 5 months ago

3.3K views

2:25

Is NaCl Dissolving Endothermic or Exothermic?

Wayne Breslyn (Dr. B.)

Shared 5 months ago

2.1K views

1:30

Dissociate vs Dissolve (Differences and Similarities)

Wayne Breslyn (Dr. B.)

Shared 5 months ago

2.1K views

2:40

How to Find the Mass Number of an Element

Wayne Breslyn (Dr. B.)

Shared 5 months ago

11K views

1:00

What Element Has 14 Protons?

Wayne Breslyn (Dr. B.)

Shared 5 months ago

556 views

1:21

What element has 10 protons 10 neutrons?

Wayne Breslyn (Dr. B.)

Shared 5 months ago

345 views

0:59

Is a pH of 5 an Acid, Base, or Neutral?

Wayne Breslyn (Dr. B.)

Shared 5 months ago

368 views

1:11

Is a pH of 6 an Acid, Base, or Neutral?

Wayne Breslyn (Dr. B.)

Shared 5 months ago

345 views

1:09

Convert 3.5 L to mL (3.5 Liters to Milliliters)

Wayne Breslyn (Dr. B.)

Shared 5 months ago

1.5K views

1:09

Convert 4.5 L to mL (4.5 Liters to Milliliters)

Wayne Breslyn (Dr. B.)

Shared 5 months ago

822 views

1:11

Convert 460mmHg to atm.

Wayne Breslyn (Dr. B.)

Shared 5 months ago

246 views

2:47

Combined Gas Law Practice Problem: Find New Volume

Wayne Breslyn (Dr. B.)

Shared 5 months ago

274 views

1:59

Combined Gas Law Practice Problem: Find New Temperature

Wayne Breslyn (Dr. B.)

Shared 5 months ago

287 views

2:05

Combined Gas Law Practice Problem: Find New Volume (Constant Pressure)

Wayne Breslyn (Dr. B.)

Shared 5 months ago

182 views

1:21

What element has 6 protons 8 neutrons?

Wayne Breslyn (Dr. B.)

Shared 5 months ago

279 views

1:07

What Element Has Six Protons and Seven Neutrons?

Wayne Breslyn (Dr. B.)

Shared 5 months ago

219 views

0:57

What Element Has 12 Protons?

Wayne Breslyn (Dr. B.)

Shared 5 months ago

337 views

1:11

What Element Has 11 Protons?

Wayne Breslyn (Dr. B.)

Shared 5 months ago

291 views

1:00

What Element Has 10 Protons?

Wayne Breslyn (Dr. B.)

Shared 5 months ago

265 views

1:18

What element has 9 protons 10 neutrons?

Wayne Breslyn (Dr. B.)

Shared 5 months ago

351 views

1:03

Is a pH of 9 an Acid, Base, or Neutral?

Wayne Breslyn (Dr. B.)

Shared 5 months ago

220 views

1:47

Can You Have a pH less than one?

Wayne Breslyn (Dr. B.)

Shared 5 months ago

134 views

3:25

Balancing Redox Reactions: Cu + Ag+ → Cu2+ + Ag

Wayne Breslyn (Dr. B.)

Shared 5 months ago

1.6K views

1:05

Convert 510mmHg to atm.

Wayne Breslyn (Dr. B.)

Shared 5 months ago

71 views

2:53

What does the arrow mean in chemistry?

Wayne Breslyn (Dr. B.)

Shared 5 months ago

518 views

1:07

Convert 5.5 L to mL (5.5 Liters to Milliliters)

Wayne Breslyn (Dr. B.)

Shared 5 months ago

376 views

1:00

What Element Has 30 Protons?

Wayne Breslyn (Dr. B.)

Shared 5 months ago

88 views

1:11

What Element Has 9 Protons and 11 Neutrons?

Wayne Breslyn (Dr. B.)

Shared 5 months ago

101 views

1:21

Is a pH of 7 an Acid, Base, or Neutral?

Wayne Breslyn (Dr. B.)

Shared 5 months ago

269 views

2:31

Combined Gas Law Practice Problem: Find New Temperature (Constant Volume)

Wayne Breslyn (Dr. B.)

Shared 5 months ago

147 views

1:06

Convert 530mmHg to atm.

Wayne Breslyn (Dr. B.)

Shared 5 months ago

143 views

1:07

Convert 6.5 L to mL (6.5 Liters to Milliliters)

Wayne Breslyn (Dr. B.)

Shared 5 months ago

638 views

1:09

What Element Has 47 Protons?

Wayne Breslyn (Dr. B.)

Shared 5 months ago

62 views

1:21

What element has 11 protons 12 neutrons?

Wayne Breslyn (Dr. B.)

Shared 5 months ago

187 views

1:15

What Element Has Six Protons and Six Neutrons?

Wayne Breslyn (Dr. B.)

Shared 5 months ago

185 views

1:21

Which has a Larger Atomic Radius, Ca or F?

Wayne Breslyn (Dr. B.)

Shared 5 months ago

203 views

1:15

Is a pH of 8 an Acid, Base, or Neutral?

Wayne Breslyn (Dr. B.)

Shared 5 months ago

68 views

1:41

Can you have a pH of 0?

Wayne Breslyn (Dr. B.)

Shared 5 months ago

226 views