Directions- Write the Definition of each word below. Use the information from Chapter 9 to assist you.
Chemical Equation-
Word Equation-
Formula Equation-
Directions- Answer each question using chapter 9 for assistance
1. What additional information do coefficients tell you about a chemical equation?
2. Find the moles of each particle and the coefficients of the following equation, if there are 92.0 g of Na and 32.o g of O2 that come together to form 124.0 g of Na2O.
moles of Na: ____ moles of O2: ____ moles of Na2: ____
___Na + ___O2 --> ___Na2
3. Write the equation for the endothermic reaction of CO2 breaking into C and O2.
4. Write the equation for the exothermic reaction of C and O2 combining to form CO2.
5. Show the chemical formula for each of the following, include phases.
solid magnessium metal-
liquid iodine-
solid sodium chloride-
gaseous water-
sodium chloride dissolved in water-
sodium hydroxide dissolved in water-