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Warm up 10/9/14

Warm up 10/9/14. Question: What is the freezing point of water? Boiling Point? Answer: Freezing / melting = 0 o C Boiling / Condensation = 100 o C Goal: I will review the phase change lab. ELEMENT OF THE DAY. 17 – Chlorine – Cl

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Warm up 10/9/14

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  1. Warm up 10/9/14 • Question: What is the freezing point of water? Boiling Point? • Answer: • Freezing / melting = 0oC • Boiling / Condensation = 100oC • Goal: I will review the phase change lab.

  2. ELEMENT OF THE DAY • 17 – Chlorine – Cl • Chlorine was used in WWI as a deadly gas in the trenches (mustard gas). This same gas can be released if you mix chlorine bleach with ammonia – so be careful when cleaning! • Chlorine is used in many useful ways. It is found in bleach (NaClO), Salt (NaCl), and stomach acid (HCl). • Calcium chloride is a commonly used for melting snow and ice.

  3. Attendance / Bellwork • Hand back papers • Review Quiz • Ice cream lab sign ups • Ice Lab Graph • Homework • Packet pg41-42 • Warm ups tomorrow • Ch 10 test next Fri. Agenda

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