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Helen [10]
4 years ago
6

Silver and gold are both considered coinage metals. How does a mile of silver compare with a mole of iron ?

Chemistry
1 answer:
fomenos4 years ago
7 0

Answer:

both have the same number of atoms

Explanation:

saw it on a quizlet

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A _________ is an oxidizing agent that, when mixed with an oxidation hair color, supplies the necessary oxygen gas to develop co
Nezavi [6.7K]

Answer:

Developer

Explanation:

A <u><em>developer </em></u>is an oxidizing agent that, when mixed with an oxidation hair color, supplies the necessary oxygen gas to develop color molecules and create a change in hair color.

Mostly hair colors are used to dye the gray hairs. Hair colors are mixed with developer which is act as oxidizing agent. The wisely used developer is hydrogen peroxide. The hair color is made of ammonia and oxidative tints.

These tints consist of small precursors of uncolored dye. These combined with hydrogen peroxide and form large tint molecule. These are then diffuse into cortex of hair and can not get off during shampoo.

These are termed as permanent hair colors.

3 0
4 years ago
Which statement about the fossil record is correct?
lubasha [3.4K]
The answers is the last answer choice!!
5 0
3 years ago
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14. Calculate the energy of a wave with the wavelength of 4.80 x 105 nm. What type of radiation is
sveta [45]

Answer:

4.1 * 10^-22 J

The wave belongs to the infra red portion of the electromagnetic spectrum.

Explanation:

From the formula;

E = hc/λ

We know that;

h= plank's constant = 6.6 * 10^-34 Js

c= speed of light = 3 * 10^8 m/s

λ = wavelength of the wave = 4.80 x 10^5 nm or 4.80 x 10^-4 m

Hence;

E= 6.6 * 10^-34 * 3 * 10^8/ 4.80 x 10^-4

E= 4.1 * 10^-22 J

The wave belongs to the infra red portion of the electromagnetic spectrum.

6 0
3 years ago
Plants give off oxygen as part of photosynthesis. Explain the impact of this process on humans?
PolarNik [594]

Answer:

i think it haven't impact because oxygen is very sensitive for our life and from plants there is so many kinds of food sources soo

7 0
3 years ago
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inna [77]

Answer:

1 mole of dinitrogen combined with 3 moles of diiodine yields 2 moles of nitrogen triiodide

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