rprest00

03.02.2021 • 

Chemistry

I NEED HELP AS SOON AS POSSIBLE PLEEAAASSE ITS NOT AS BAD AS IT LOOKS I PROMISE ITS PHYSICAL AND CHEMICAL CHANGE Sara learns from a book that, as fall turns to winter, leaves change color. This happens because as the weather turns colder, the chlorophyll in the leaf breaks down, the green color disappears, and the yellow to orange colors become visible. Sara wants to show her class how the leaves change but it is still springtime. She paints a leaf orange to show how the leaves change color.

How is painting a leaf orange different from the color change that happens during the change of seasons if both result in an orange leaf at the end?

Ответ:

jaffeisabel

08.07.2021

Chemistry

---

Galvanize: Galvanizing coats iron or steel in zinc to protect from rust. Zinc corrodes at a much slower rate than iron or steel, so it's highly effective for slowing rust. Blueing: This process creates a layer of magnetite over the metal to prevent rust.

---

0,0(0 оценок)