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vlada-n [284]
3 years ago
5

What color of light is transmitted and refracted by a prism first?

Chemistry
2 answers:
lawyer [7]3 years ago
5 0

Answer:

Explanation:

As the light leaves the prism it is refracted away from the normal. However, the different colours which constitute the white light are not refracted by the same amount. The red light is refracted least. The violet light is refracted most.

nevsk [136]3 years ago
3 0

Answer:

The red light is refracted least. The violet light is refracted most.

Explanation:

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Can somebody plz help answer these questions plz (grwde7science) only if u know how to do it thx :3
dem82 [27]
1. Crystallization. Magma cools either underground or on the surface and hardens into an igneous rock.
2. weathering and erosion
3. This happens due to geologic uplift and the erosion of the rock and soil above them. At the surface, metamorphic rocks will be exposed to weathering processes and may break down into sediment.
4. Rock Melting.
Metamorphic rocks underground melt to become magma. If you need more help https://www.ck12.org/earth-science/rock-cycle-processes/lesson/Rocks-and-Processes-of-the-Rock-Cycle-HS-ES/
8 0
3 years ago
What is the poH of a<br> 2.6 x 10-6 M H+ solution?
andriy [413]

Answer:

Explanation:

pH and pOH.....

The pH is a way of expressing the hydrogen ion concentration.

pH = -log[H+] ............. where [x] means "the concentration of x in moles per liter."

From pH you can compute pOH since at 25C pH + pOH = 14.00 .......... (but only at 25C)

pH = -log(2.6x10^-6) = 5.585 ..... which should be rounded to two significant digits: pH = 5.59

When taking the log of a number, only the digits to the right of the decimal reflect the precision in the original number. Since 2.6x10^-6 has two significant digits, a pH of 5.59 has two significant digits.

pOH + pH = 14.00

pOH = 14.00 - pH = 14.00 - 5.59 = 8.41 ......... at 25C

We can also use the H+ ion concentration to get the hydroxide ion concentration and from that the pOH.

Kw = [H+][OH-] = 1.00x10^-14 .......... at 25C .... like any Kc, the value changes with temperature

[OH-] = Kw / [H+] = 1.00x10^-14 / 2.6x10^-6 = 3.846x10^-9 .... to a couple of guard digits

pOH = -log[OH-] = -log(3.846x10^-9) = 8.415 ...... round to two significant digits: pOH = 8.42 ..... at 25C

=========

Just for grins, you might want to know how Kw changes with temperature, and how [H+] and [OH-] are related at some other temperatures. The pH is the pH of a neutral solution at various temperatures. For instance at 10C a neutral solution has a pH of 7.27. That's not a basic pH. 7.27 is the pH of a neutral solution, but at a different temperature. In a neutral solution at 10C [H+] = [OH-] = 5.41x10^-8M.

pH and Kw for a neutral solution at different temperatures

T .........pH ......... Kw

0......... 7.47....... 0.114 x 10-14

10....... 7.27....... 0.293 x 10-14

20....... 7.08....... 0.681 x 10-14

25....... 7.00....... 1.008 x 10-14

30....... 6.92....... 1.471 x 10-14

40....... 6.77....... 2.916 x 10-14

50....... 6.63....... 5.476 x 10-14

100..... 6.14....... 51.3 x 10-14

4 0
3 years ago
Can someone help me with this?
Nadusha1986 [10]

Answer:

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Explanation:

4 0
3 years ago
Which type of bond creates a crystalline structure ?
dexar [7]

Answer:

covalent bond

Explanation:

covalent bond is a crystal structure in which the electrons do not leave their orbits.

3 0
3 years ago
Read 2 more answers
Classify the reactions as endothermic or exothermic.
solong [7]

A - Endothermic. This is because it absorbs heat rather than releases it.

B - Exothermic. It's releasing heat which in turn makes the beaker hot.

C - Endothermic. The Ammonium Chloride is absorbing the heat away from the beaker.

D - Exothermic. To produce nuclear energy, it needs to release heat.

E - Endothermic. The hydrogen and oxygen atoms are absorbing the heat given off from the electric current.

F - Exothermic. It is producing heat or releasing heat.

Exothermic is the losing, release, or production of heat. Endothermic is the exact opposite; it is the storing of heat.

Hope this helps!

6 0
3 years ago
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