To set up an equation in the Chemical Equations Gizmo, type the chemical formulas into the text boxes of the Gizmo. First, type in “H2+O2” in the Reactants box and “H2O” in the Products box. This represents the reaction of hydrogen and oxygen gas to form water. Check that the Visual display is chosen on each side of the Gizmo, and count the atoms. A. How many hydrogen atoms are on the Reactants side? Products side? B. How many oxygen atoms are on the Reactants side? Products side?
States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
Burning is an example of a
To set up an equation in the Chemical Equations Gizmo, type the chemical formulas into the text boxes of the Gizmo. First, type in “H2+O2” in the Reactants box and “H2O” in the Products box. This represents the reaction of hydrogen and oxygen gas to form water.
- Check that the Visual display is chosen on each side of the Gizmo, and count the atoms.
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A. |
How many hydrogen atoms are on the Reactants side? |
Products side? |
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B. |
How many oxygen atoms are on the Reactants side? |
Products side? |
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