Ck 12: Algebra: Equations With Variables on Both Sides

Students are introduced to the process of balancing chemical equations. First, they see that a chemical equation describes the chemical reaction that takes place when two elements are combined. In chemistry, that reaction must be written...

[Free Registration/Login may be required to access all resource tools.] Write algebraic expressions and equations using variables.

[Free Registration/Login may be required to access all resource tools.] Students explore mass relations between reactants and products for a given chemical process, and practice balancing chemical equations.

[Free Registration/Login may be required to access all resource tools.] In the following online tutorial students will describe chemical reactions using word equations and know the correct symbols to use in order to write skeleton...

[Free Registration/Login may be required to access all resource tools.] Students investigate the conditions under which the enthalpy change in a reaction is equal to the heat absorbed or released. Then, they have the opportunity to write...

Matrices help solve systems of equations in chemistry, computer graphics, circuitry, probability, and more. The second lesson in a seven-part series focuses on using matrices to balance chemical equations. Pupils rely on the Law of...

[Free Registration/Login Required] Understand the Law of Reflection by plane mirrors and the formation of virtual images. Use the simulation to play with variables for a variety of reflections. Further examples explaining how mirrors...

[Free Registration/Login Required] Learn about adding force vectors in two dimensions using the example of a painting hanging from two strings. Experiment with variables of weight and angles to hang a portrait in this physics simulation....

[Free Registration/Login may be required to access all resource tools.] Students learn and apply the concept of conservation of momentum using action and reaction forces with classmates on skateboards.

[Free Registration/Login may be required to access all resource tools.] Students write net ionic equations for double-replacement reactions that produce precipitates, gases, or molecular compounds, write net ionic equations for...