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Metal halides

Unit 5 Answers

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Chemistry
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Physical sciences
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Natural sciences
Chemical reactions
Chlorides
Metal halides
Stoichiometry
Silver compounds
Single displacement reaction
Lead(II) chloride
Chemical equation
Spectator ion

pg. 10 Selected Chemistry Assignment Answers Unit 5: Chemical Equations and Reactions & Stoichiometry Chapter 8: Chemical Equations and Reactions 8.1: Describing Chemical Reactions (Section Review on pg. 266) 5. C3H8 + O2 ? CO2 + H2O 6. C3H8 (g) + O2 (g) ? CO2 (g) + H2O (l) 9. silicon tetrachloride + magnesium ? silicon + magnesium chloride ; SiCl4 (g) + Mg (s) ? Si (s) + MgCl2 (s) 10. magnesium + oxygen ? magnesium oxide ; Mg (s) + O2 (g) ? MgO (s) 8.2: Balancing Chemical Equations (Practice on pg. 269) 1. P4 + 5 O2 ? 2 P2O5 2. C3H8 + 5 O2 ? 3 CO2 + 4 H2O 3. Ca2Si + 4 Cl2 ? 2 CaCl2 + SiCl4 4. 2 Si + CO2 ? SiC + SiO2 (Practice on pg. 271)

lewis structures shapes and polarity

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Organochlorides
Chlorides
Metal halides

Lewis Structures, Shapes, and Polarity W 319 Draw Lewis structures and indicate polar or non-polar for ONE of the bonds (point to the bond you are naming): CH4 NCl3 CCl2F2 CF2H2 CH2O CHN PI3 N2O SO2 CS2 CO H2O COF2 N2 O2 H2 Cl2 HF O3 NI3 Everett Community College Student Support Services Program Lewis Structures, Shapes, and Polarity W 319 :(b) (c) : : : :H Cl (d) : :H H C H H : Cl N : :: Cl : Cl : : :: F C :: F : Cl : : :: F C H :: F : (e) (f) H C N (g) (h) : : : : : : :O C H H : l P l : : : :: l : : : :(i) (j) S C S : : : : : :S (k) C S (l) (m) C : : : :: F F (n)

Lead Nitrate - Potassium Iodide Lab

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Chemistry
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Iodides
Metal halides
Potassium compounds
Nitrate
Potassium iodide
Technology

Purpose: The purpose of this lab was to try to get Pb I2 to filter out after combining Pb(NO3)2 and KI. We also wanted to further demonstrate what we did in class with limiting reagents. Materials: Lead (II) Nitrate Potassium Iodide 3 beakers Ring Stand Funnel Filter Paper Scale Water Stirring Rod Funnel clamp Wash Bottle Procedure: The first thing that we did was measure out 3.16g Pb(NO3)2 and 5.00 g of KI on the scale. Next we filled two of the beakers with 40 mL of water and poured the Pb(NO3)2 into one and the KI into the other. After dissolving them we then combined the two solutions into one beaker, which caused a thick, yellow substance to form.
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