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Daily Science pg. 68

Daily Science pg. 68. Name the following Covalent compounds SO 2 OF 2 N 2 O CCl 4 PCl 5 N 2 O 5 P 2 O 5 NH 3 Write the formula from the name Iron (II) oxide Potassium Nitrate Diphophorus pentoxide Boron trifluoride Calcuim Chloride trinitrogen heptoxide

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Daily Science pg. 68

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  1. Daily Science pg. 68 • Name the following Covalent compounds • SO2 OF2 • N2O CCl4 • PCl5 N2O5 • P2O5 NH3 • Write the formula from the name • Iron (II) oxide Potassium Nitrate • Diphophoruspentoxide Boron trifluoride • Calcuim Chloride trinitrogenheptoxide • Name the following ionic compounds: • CaCO3 Fe2O3 • KCl NiBr3 • FeSO4 AuCl3 • LiBrNaI • MgCl2 • FeCl3

  2. Chemical Reactions Foldable- pg. 67

  3. Making a chemical reaction • Obtain the following materials: • Soap, yeast, hydrogen peroxide, a plastic bottle, funnel, and tub • Mix the yeast with water and add a few drops of food coloring. • Into the bottle, add the hydrogen peroxide (H2O2) • Next, add the soap • Lastly, add the water and yeast mixture. Stand back and observe.

  4. Components of a Chemical Reaction • Reactants- shown on the right side of the chemical equation • Reaction arrow- shows change between reactants and products • Products- shown on left of chemical equation

  5. Reactants • If the reactants require energy to break bonds, they are called endothermic

  6. Products • If bonds are created, energy is released creating an exothermic process

  7. Catalysts • Catalysts are used to speed up chemical processes. • If a catalyst is used, it is written above the equation arrow.

  8. Writing chemical equations • Word equation: • Methane and oxygen yield carbon dioxide and water • Molecular model • + + • Chemical equation • CH4 + 2O2 CO2 + 2H2O

  9. Balancing Chemical Equations • The number of atoms of each reactant = the number of atoms of each product. • Ex. CH4 + 2O2 CO2 + 2H2O • Reactants: Products • C-1 C-1 • H-4 H-4 • O-4 O-4

  10. practice • Pg. 227

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