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Advocard [28]
3 years ago
11

How does atomic emission spectra relate to color?

Chemistry
1 answer:
laila [671]3 years ago
3 0

Answer:

Electrons in the gaseous atoms first become excited, and then fall back to lower energy levels, emitting light of a distinctive color in the process. ... An atomic emission spectrum is the pattern of lines formed when light passes through a prism to separate it into the different frequencies of light it contains.

Explanation:

hope this helps u.

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What are the sub-particles that make up an atom? (select all that apply) *?
Mrac [35]
The answer should be neutrons electrons and protons
7 0
4 years ago
What is the difference between homogeneous and heterogeneous mixtures?
9966 [12]
Homogeneous has the same proportion of its own components throughout in any given samples while heterogeneous has components in which proportion aren’t the same they are vary throughout the sample
4 0
3 years ago
Pleas help with 2 and 4 for brainliest
Snezhnost [94]

mass of pentane : = 30.303 g

moles of Al₂(CO₃)₃ : = 0.147

<h3>Further explanation</h3>

Given

1. Reaction

C₅H₁₂+8O₂→6H₂O+5CO₂.

45.3 g water

2. 2AlCl₃ + 3MgCO₃ → Al₂(CO₃)₃ + 3MgCl₂

37.2 MgCO₃

Required

mass of pentane

moles of Al₂(CO₃)₃

Solution

1. mol water = 45.3 : 18 g/mol = 2.52

From equation, mol ratio of C₅H₁₂ : H₂O = 1 : 6, so mol pentane :

= 1/6 x mol H₂O

= 1/6 x 2.52

= 0.42

Mass pentane :

= mol x MW

= 0.42 x 72.15 g/mol

= 30.303 g

2. mol MgCO₃ : 37.2 : 84,3139 g/mol = 0.44

mol Al₂(CO₃)₃ :

= 1/3 x mol MgCO₃

= 1/3 x 0.44

= 0.147

4 0
3 years ago
X ÷ 3 – y ÷ 6 + z ÷ 9<br>​
sveta [45]

Answer:

1/18x(6x-3y+2z)

1/3x-1/6y+1/9z

Explanation:

3 0
3 years ago
3. What is the current in a wire
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4.8A
12/2.5=4.8, the current in this wire should be 4.8A
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