Bozeman Science
Stoichiometry
In this video Paul Andersen explains how stoichiometry can be used to quantify differences in chemical reactions. The coefficients in a balanced chemical equation express the mole proportions in that reaction. These values can be used to...
Curated Video
Stoichiometry: Chemistry for Massive Creatures - Crash Course Chemistry
Chemists need stoichiometry to make the scale of chemistry more understandable - Hank is here to explain why, and to teach us how to use it. Table of Contents Atomic Mass Units 2:24 Moles 5:12 Molar Mass 5:59 Equation Balancing 8:45...
Crash Course
Acid-Base Reactions in Solution: Crash Course Chemistry
Last week, Hank talked about how stuff mixes together in solutions. Today, and for the next few weeks, he will talk about the actual reactions happening in those solutions - atoms reorganizing themselves to create whole new substances in...
Curated Video
Striking a Balance : Investigating Reaction Rate and Stoichiometry
New ReviewInfluence of Stoichiometry on Rate of Reaction. Rate of Reaction & Stoichiometry part 1
Bozeman Science
Multistep Reactions
In this video Paul Andersen explains how an overall chemical reaction is made up of several elementary steps. The stoichiometry of this equation can be predicted but the rate law must be measured. If the elementary steps of the reaction...
Professor Dave Explains
IIT/JEE Chemistry Practice #10: Gas Stoichiometry
Practice REAL problems from actual past IIT/JEE exams with Professor Dave!
Professor Dave Explains
IIT/JEE Chemistry Practice #2: Molar Mass/Stoichiometry
Practice REAL problems from actual past IIT/JEE exams with Professor Dave!
Professor Dave Explains
IIT/JEE Chemistry Practice #6: Stoichiometry/Precipitation Reactions
Practice REAL problems from actual past IIT/JEE exams with Professor Dave!
Curated Video
Law Of Constant Composition | Properties of Matter | Chemistry | FuseSchool
Learn the basics about the law of constant composition and how to apply it. The law of constant composition states that in a given chemical compound, all samples are made up of the same elements combined in the same proportions. So what...
Curated Video
In Depth: Atomic Mass Units | Properties of Matter | Chemistry | FuseSchool
Learn the basics about Atomic Mass Units. The atomic mass is used to find the average mass of elements and molecules and to solve stoichiometry problems. Find out more in this video! This Open Educational Resource is free of charge,...
Curated Video
CHEMISTRY - Matter - In Depth Atomic Mass Units
Learn the basics about Atomic Mass Units. The atomic mass is used to find the average mass of elements and molecules and to solve stoichiometry problems. Find out more in this video!
Catalyst University
General Chemistry | Ideal Gas Law (PV=nRT) [Example #1]
In this video, we will do an example calculation using the ideal gas equation of state, PV=nRT. [Solving for volume, V]
Professor Dave Explains
IIT/JEE Chemistry Practice #24: Molar Mass of a Gas
Practice REAL problems from actual past IIT/JEE exams with Professor Dave!
Professor Dave Explains
IIT/JEE Chemistry Practice #22: Density of a Gas
Practice REAL problems from actual past IIT/JEE exams with Professor Dave!
Professor Dave Explains
The Mole: Avogadro's Number and Stoichiometry
Yes, I know moles are adorable furry creatures. This is a different kind of mole! A numerical mole. And we need to understand them to be able to make predictions about reactions. Let Professor Dave take you through the finer points.
Curated Video
Learning the Mechanisms : Investigating the Breakdown of Ammonia and Reaction Rates
New ReviewStoichiometry role in rate formation of Nitric oxide formation. Rate of Reaction & Stoichiometry part 2
Curated Video
Law Of Constant Composition
Learn the basics about the law of constant composition and how to apply it. The law of constant composition states that in a given chemical compound, all samples are made up of the same elements combined in the same proportions. So what...
Professor Dave Explains
Practice Problem: Titration Calculations
Titration is a way to do stoichiometry with acids and bases. The equivalence point tells us something about the moles of acid and base that are present in solution at that moment. And if we know one of those values, we can know the...
Curated Video
In Depth: Atomic Mass Units
Learn the basics about Atomic Mass Units. The atomic mass is used to find the average mass of elements and molecules and to solve stoichiometry problems. Find out more in this video!
Professor Dave Explains
Practice Problem: Enthalpy of Vaporization
Can we do stoichiometry regarding phase changes? Sure! If we know how many moles of a substance we have, and the energy associated with each mole of that substance undergoing a particular phase change, we can get the energy associated...
Bozeman Science
Synthesis and Decomposition Reactions
Atoms or molecules combine to form a new compound in a synthesis reaction. Examples include the addition of oxygen to magnesium metal to create magnesium oxide and the addition of carbon dioxide to water to crete carbonic acid. A combine...
Catalyst University
Kd, the Dissociation Constant: What is it?
Kd, the Dissociation Constant: What is it?
Professor Dave Explains
Practice Problem: Empirical and Molecular Formulas
How do we know how many atoms of each element are in a particular compound? Through clever experiments! Here let's practice using percent mass information to get the empirical and molecular formulas of a particular compound.
Professor Dave Explains
Practice Problem: Gravimetric Analysis
What the heck is gravimetric analysis? Well let's say we want to know how much of a substance is in some mixture. We could toss it in solution and cause it to form a precipitate with some other ion in solution. We can measure the mass of...