
Why Does the Pink Color in a Titration Fade Over Time?
Jan 31, 2005 · How to answer the question: why the pink colour (from 2-3 phenolphthalein indicator) obtained at the end point of the titration in this experiment gradually disappears over …
Suggest "Informative" feedback reaction icon change away from …
May 21, 2025 · OK, maybe I'm just old and not up to the latest trends in emoticon use, but I just noticed the "Informative" reaction option has changed from the (for me) very fitting "light bulb" …
HDMI cable wiring schematic (what colors go where)
Jun 10, 2010 · There are 8 wires (Black, Blue, Red, Brown, White, Pink, Dark Green and Light Green). Does anyone have a diagram or a schematic so I can try and fix it. First off, if it goes …
Why does a Walrus Blush? | Geophysical Institute
Jun 12, 2025 · The skin of walruses becomes pallid when it is exposed to cold air or water and changes to pink when exposed to warmer ambient temperatures. This color change may …
Why does my Patton-Reeder indicator immediately turn blue?
Dec 13, 2019 · From the guide; excess calcium ions form a complex with the PR indicator (pink), but then as the EDTA is added they start to form a complex with EDTA and it turns blue.
Plasma Color: What Makes It Blue & What Colors It Can Be?
Jan 6, 2011 · Most of the plasma we see in everyday life is more or less blue (lightning, plasma lamps, static discharges through air etc etc). But if I understand correctly, plasma can be in …
Ice Worms | Geophysical Institute
Jun 12, 2025 · Ice worms eat airborne pollen grains, fern spores and the red algae that lives in snow and sometimes colors it pink. Unable to exist at temperatures much below freezing, ice …
Can Himalayan Salt Dissolve in Candle Wax? - Physics Forums
Aug 25, 2016 · Perhaps some substance included in the 'pink salt' is soluble in molten wax and perhaps it can be oxidised at the temperature of the flame. None of this sounds very 'Scientific …
Blue Moons and Lavender Suns - Geophysical Institute
Shades varying from pink and orange to yellow and brown were used to describe the sky.... The sun disc when visible appeared blue or purple. As it appeared and disappeared through …
Understanding the Physics behind the Epic Racing Scene in 2 Fast …
May 27, 2004 · I have a special effects physics project that I'm doing and I need some help. In this movie, there's a scene where a part of the road is elevated to become a ramp. Two cars who …