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  1. wizzkids

    Reynolds 853 and X100

    Reynolds 853 is a low-carbon steel alloy containing manganese, chromium, molybdenum, copper and silicon. 853 tubes are manufactured in very thin wall thicknesses, like 0.5 mm to 0.4 mm. They are weldable by conventional tungsten-inert-gas (TIG) welding and gas-metal-arc-welding (GMAW). Tubes are...
  2. wizzkids

    What is a good degree that complements civil engineering ?

    Have you thought about Mining Engineering? There are plenty of jobs and they pay way above market rates for good people.
  3. wizzkids

    Projectile Motion inquiry

    dy/dx (x) is proportional to the magnitude of instantaneous vertical component of velocity of the projectile. It will have a magnitude of zero at the point of inflection when the projectile achieves it's maximum altitude.
  4. wizzkids

    Laser

    LASER stands for Light Amplification by Stimulated Emission of Radiation. LASER devices are monochromatic by nature because the light amplification effect only occurs at one particular photon energy and one particular photon wavelength. The photons that are emitted are coherent and monochromatic.
  5. wizzkids

    Mod 3 q help

    I think you are right. However, this is a weird question. To construct an electrochemical cell you would normally construct it from two half-cells. Each half-cell would contain a metal electrode in equilibrium with a solution of its own ions. The two half-cells would be connected by a...
  6. wizzkids

    Perms and Coms

    There are 70 ways to select 4 members from a set of 8. However not all of these are proper words. I can find 19 words that are proper words in the English language (not counting repeats like "labs"): slay subs Susy Yass lass lays labs ally ably bays ball bass buys bull busy slab slay Saul says
  7. wizzkids

    Digitial animation gifs

    To create an animated GIF you need to design each frame of the animation. For smooth motion you could be looking at designing 50 frames. Whatever GIF animation software you choose, you still need to create the images before you can assemble them into the finished filmstrip, so you need to find...
  8. wizzkids

    physics q

    According to Quantum Mechanics, the ball can be considered to be at the top of its path as well as everywhere else at the same time. There is only a higher probability of finding the ball at the top of its path at any given moment. You need to calculate the Wave Function of the Ball to work out...
  9. wizzkids

    ???

    It seems like a perfectly good question. There are eight elements in the third period. They each have very different electronegativities, some are electron donors (Na, Mg, Al) and some are electron acceptors (P, S, Cl). Si is an interesting case to discuss. Then there is Ar which doesn't form...
  10. wizzkids

    digital animation like gifs for ionic bonding

    Here is a website that I like: Java Chemistry Lab It's coded in JSmol and it lets you drag and drop atoms to make covalently bonded molecules and ionically bonded lattice. Another good one is run by Dr Karl Harrison, and it also uses the JSMol library: https://3dchem.com
  11. wizzkids

    physics

    If you have some time, go watch this video by Drs Hume and Ivey, It's all about relative velocity. Pretty cheesy, but absolutely 100% relevant to solving your problem. Frames of Reference (1960)
  12. wizzkids

    mod 3 physics skills task

    Too hard to call. Ask one of the students in Year 12 what they did last year, and it's bound to be something similar.
  13. wizzkids

    Anyone else doing EES?

    Oooh yeah, how about a depth study on Hunga Tonga-Hunga Ha'apai (Tonga) eruption, January 2022? (for Module 6)
  14. wizzkids

    Buffer Systems

    Hydroxide ions don't react with un-dissociated propionic acid molecules (that's the molecule on the left). Hydroxide ions react with the hydrogen ions on the right. If you decrease the concentration of hydrogen ions it favours the forward reaction. Do you get it now?
  15. wizzkids

    K Calculation Questions

    This discussion lies totally outside high school syllabus. There are two ways that Iron(II) hydroxide can dissolve. Iron(II) hydroxide has a region of solid stability between pH 8 and pH12. The stability of the various hydroxides of iron can be conveniently shown on the Pourbaix Diagram. I have...
  16. wizzkids

    Does anyone have the answers to the Year 11 Ansto Chemistry Excursion Workbook ?

    I think you mean "ionising power" . Alpha particles carry 2 units of positive charge. They travel in dead straight lines about 3 cm in air before they are all stopped by collisions with air molecules. Alpha particles have lots of momentum. Beta particles are very light, they carry one unit of...
  17. wizzkids

    K Calculation Questions

    The short answer is: practically Zero solubility. Iron(II) hydroxide is almost insoluble in water, it's solubility constant is 4.1 x 10-15. It only starts to become sparingly soluble once the pH starts to get up around 12. Here is how you do these calculations. You can't just halve the...
  18. wizzkids

    Physics Resources

    STRIVE Physics 12 by Odlum & Garner is still available. Go to https://www.odlumgarner.com.au or you can order through any educational bookseller.
  19. wizzkids

    Physics Resources

    If all you want is "grind" then go get a copy of Dot Point Physics by Shadwick (Science Press 2018). 350 pages of "grind". That should sate your appetite.
  20. wizzkids

    Any tips to make your IT Multimedia project stand out?

    Storyboard everything. Tell your story consistently. Have a worked out creative plan for everything on the timeline. Ensure everything relates to the theme. If you are filming any content, spend a lot of time researching your locations. If you are looking for inspiration, I reckon any music...
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