Monthly Archives: April 2015

G10 Monday P7/8

  • Watch the video on the electrolysis of molten lead bromide.  Make sure you understand what is happening.

  • Predict the products when you electrolyse the following molten salts.  State what you get at the anode and the cathode.  Use your notes from last week to help you.
    a)  zinc chloride
    b)  aluminium oxide
  • Draw a diagram for the electrolysis of zinc chloride.  Include the cathode and anode, the direction of electron flow and the half equations that occur at each electrode.  Use the example given in class as a guide.
  • Review mass to moles calculations here.
  • Work through this worksheet on moles to mass calculations in equations.  We will go over the answers on Tuesday.
  • Review semester one.  Here is the study guide to help you.

See you Tuesday!

Cover for Monday

Grade 7A & Grade 7B

Hi grade 7 A,B,…

You are working on your report today.  If you still need to collect some data, please do so.  Your report for this investigation is due on Wednesday.  Look at this video to see me talk you through the TSC!

 

Grade 10

Hi Grade 10’s!

  1. Finish the experiment from Friday.  Yugo and Reece are the experts on this experiment and the calculation if you need help.
  2. Complete set 13, 14, 15 and 16 of the problems on the doc I sent to you last week.  Sena and Marii have already completed some of this and can help.
  3. Work through the questions on Empirical Formula on this site.

See you Tuesday!

Miss Winslade

 

Grade 12 Friday – Waste

Waste – Option E (Environmental Chemistry)

Take notes on waste using the text and/or these videos.  You can break your notes down into four sections.  Try structuring them like the past two sections that I did for you, if you found that useful.

  1. Methods of waste disposal
    Include landfills and incineration.  You need to outline (two or three sentences) what they are about and compare them.
  2. Recycling
    You need to describe (three to four sentences) how metal, glass, plastic and paper are recycled.  Then you need to give the benefits of recycling.  This can be in point form.
  3. Types of radioactive waste
    For both low-level and high-level radioactive wastes, you need to describe their characteristics and give their sources.
  4. Storage and Disposal of radioactive wastes
    Here you need to compare the different methods used for storing and disposing of high-level and low-level radioactive wastes.

Finally, I have shared with you two past exams and the answer keys.  You can work on these at the end.  Make sure you mark any questions you aren’t sure of and ask a friend or me next week.

Enjoy!