Ask the Van Questions by Subcategories

Everything Else: Chemistry

Bumpy Eggshells
Limits to Exothermic Solution
Removing Plastic Microbeads
Warming Deionised Water
Key Lime and Energy
Volume of Sugar Dissolved in Water
Why Does Turmeric Reduce Boiling?
Why do Cooked Potatoes Turn Dark?
Flame Test: Cation or Anion?
Gibbs Free Energy, Enthalpy, and Energy
Epoxy Powder Coatings
Does oil Reduce the Evaporation Rate of Water From Soil?
Are Organic Citrus Richer in Vitamin C?
Milk Burning at Bottom of Pot
What is the ph of Acid-base Mixtures
Cupric Sulphate Exposed to Air?
Chemical Energy in Clothes
Measuring pH of Fruits
What is Ionizing Radiation?
Detecting Rust
Is Formaldehyde Present in the Composition of Coconut Husk?
Ionic Conduction
PH
What Happens to hot Water Molecule?
De-ionized Water and Emulsions
Vinegar Vs.lemon for Dissolving Eggshells
Where Does Electrolysis Dump Heat?
Exothermic Hydrogen Oxidation
Why Does Blowing put out a Flame?
How to Identify Carbon Dioxide
What Causes Caramelization?
Removing Mercaptobenzothiazole (MBT)
Playing With Explosives
Consequences of no Helium or Nitrogen
Ozone Production
DI Conductivity
Water Beading Up
Why is Ocean Salty
Why is it Work to Hold a Weight Straight out From Your Body?
Deriving Chemistry From Physics
Deuterium Isotope Effects and Binding
Are There Black Flames?
Particles in Thawed Water
Is Rubber a non Ferrous Material?
Burning Hydrogen and Oxygen
Water on Burning Metal
Exothermic and Exergonic Reactions Releases Energy From the System
How Does Water Electrolysis Work?
Crystal Wine Sediment
What's in Deionized Water?
Fat-free Oil?
Homogeneous Mixtures
Why do Hydrogen Molecules Form?
Rust and Bridge Collapse
Copper-aluminum Connections
How to Spot Pure Substances
Which Vinegar Dissolves an Eggshell Fastest?
Dalton's Atomic Model
Contents of Deionized Water
How to get Deionized Water
Is De-ionized Water Corrosive?
Danger From Liquid Thermometer?
Can you eat Calcium?
Recognizing the Acid-base Titration Endpoint
Autoignition of Hydrogen to Form Water
Copper Pinhole Leaks and Chlorine
Ice Machine Quality
Inertness of Noble Gases
Brass and Aluminum
Sulfur
Sugars
Bleaching
Deionized vs. Distilled Water
Salty Gelatin
Hydropower Hydrogen
Salt to Salt
Drying Biodiesel
How Water is Made
Oxidations
Burning Hydrogen
Saltier Seawater?
What is Combustion?
Exploding Film Canisters!
Why is pH = 7 the Neutral Point?
Yet More Heat-Shrink Tubing
Making Molecules: Compounds vs. Elements
Inside Quartz
Is Love a Purely Chemical Reaction?
Hydrogen + Oxygen = Water ?
Eggshells in Vinegar - What Happened?
Chemical Composition
Electrolysis of Water
Why Does Sugar Dissolve Faster in Distilled Water Than in tap Water?
Soap!
Baking Soda & Vinegar Balloon
C6 H12 O6
Metals Affected By Acid
Mixtures and Pure Substances
Active Metals
Carbonates
PH
Sodium and Chlorine
Growing Crystals
Ecology of Fire
Polypropylene
Uses of Baking Soda
Bleaching Colored Objects
Vinegar Chemistry
Water and Oxygen
Colored Sugar
Different Kinds of Rust
Rate of Rust Formation
Historical Linguistics: Oxygen
What Jello is Made out Of
Keeping Stuff From Rusting in the Winter
Is Sand Organic?
Salt Concentration in Water
Acids and Bases in Drain Cleaner
Starting Fires
Chemistry of Stopping Rust
Effects of Rust
Salivary Amylase
Ionic and Covalent Bonds
Metals That Don?t Rust
Products of Vinegar and Baking Soda
Hydrogen Peroxide Equilibrium
Ions of Titanium
Ionic Bonds
Burning Rocks
Fertilizer and Olive Oil
Mirrors Getting Rusty
Baeyer�s Test
Baking Soda/Vinegar Balloons
Splitting Water Into Oxygen and Hydrogen
Mixing Stuff
Vinegar
CaCO3 and Vinegar
Expressing Reactions in Words
5 Carbons + 1 Heteroatom = ?
Compounds and Mixtures
Ubiquitous Angstroms
Rusty Submarines
Chemical Equilibria
Hydrolysis
Atoms & Molecules
Heat Shrink Tubing
Water = Hydrogen + Oxygen
Turning Brown
Combining Atoms
Polyatomic Ions
Hydrogen From Water
Drying Paint
Not Quite Relativity
Copper Chloride Burning
Identifying Salts
Steel Composition
Candle in Bottle
Weighing Concrete
Hot Water
Evaporation and Salt
Storing Solar Energy
Deionized Water Polarity
Ionic Solution Neutrality
Burning hot Flames
Deionized Water