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'''Homework''' '''Directions'''- Print this page out and do this work. Write the Definition of each word below. Use the information from Chapter 9 to assist you. Chemical Equation- <br> <br> Word Equation- <br> <br> Formula Equation- <br> <br> <br> '''Directions'''- Answer each question using chapter 9 for assistance 1. What additional information do coefficients tell you about a chemical equation? <br> <br> <br> <br> <br> <br> 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 O<sub>2</sub> that come together to form 124.0 g of Na<sub>2</sub>O. <br> <br> <br> <br> <br> <br> moles of Na: ____ moles of O<sub>2</sub>: ____ moles of Na<sub>2</sub>: ____ <br> <br> <br> ___Na + ___O<sub>2</sub> --> ___Na<sub>2</sub>O 3. Write the equation for the endothermic reaction of CO<sub>2</sub> breaking into C and O<sub>2</sub>. <br> <br> <br> <br> <br> <br> 4. Write the equation for the exothermic reaction of C and O<sub>2</sub> combining to form CO<sub>2</sub>. <br> <br> <br> <br> <br> <br> 5. Show the chemical formula for each of the following, include phases. <br> solid magnessium metal- <br> <br> liquid iodine- <br> <br> solid sodium chloride- <br> <br> gaseous water- <br> <br> sodium chloride dissolved in water- <br> <br> sodium hydroxide dissolved in water- <br> <br>
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