Elements
Conservation of Mass
Visual Check
In-class Examples and Practice For Balancing Equations and Solubility
The final assessment for this unit requires equations to be balanced three different ways:
Balancing based on Conservation of Mass
Balancing based on elements shown
Balancing based on visual models
Hints to Balancing Equations
Practice With Balancing Equations That Does Not Involve Paper
This example is from the PhET Interactive Simulation Website maintained by the University of Colorado - Boulder.
The skeptical question topic for this unit involves the topic of "conspiracy theories in science". Skeptical questions are thoughtful "Why-based" questions which address biases in scientific material. This type of question is not seeking scientific facts.
The article associated with this unit is listed below:
Solubility Rules and Curves are tools used in Chemistry to determine what "form" an element or compound will typically take in a chemical reaction. Solubility Rules base that form on the materials in a compound. Solubility Curves indicate the way the form is influenced by temperature. The following are the reference pages and practice sheets used for solubility.
Solubility Forms Used in Chemistry 11
(s) - Insoluble solid
(aq) - Soluble aqueous solution
(l) - Liquid
(g) - Gas
The Solubility Reference Pages, Practice Without Reactions, and Practice With Reactions are shown here. The same practice sheets used for balancing are also used for solubility practice with reactions.
Chemical reactions occur for a number of reasons. The main three reasons are
Random collisions form new particles which can rearrange to form new compounds
Particles and compounds are attempting to achieve a more stable energy state
Particles and compounds are attempting to achieve a more stable electron structure
The purpose of this full lab is to analyze a chemical reaction for both solubility products and heat exchange. The reaction used is another form of the "Hindenburg Reaction" or hydrogen producing reaction. Most reactions involving metals and strong acids tend to produce hydrogen as a product.
Learning to Learn and Retrieval List
Intro Lab and Reflection (Hindenburg Lab)
Practice - Balancing Reactions/Solubility Practice
80% Quiz #1
80% Quiz #2
80% Quiz Reflections