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sattari [20]
3 years ago
5

Describe the four types of fronts and the weather associated with each.

Chemistry
1 answer:
FrozenT [24]3 years ago
3 0

The Four type is

Cold front

Warm front

Stationary front

Occluded front

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Elemental analysis of the unknown gas from part a revealed that it is 30.45% n and 69.55% o. what is the molecular formula for t
Gnesinka [82]

Assuming we have 100 g of sample

30.45/MW of N 14g = 2.175

69.55/MW of O 16g = 4.34

4.34/2.185 = 2

for every 1 mole of N we have 2 moles of O

so the empirical formula would be NO2

without having the molecular weight of the entire molecule the molecular formula can not be determined with the information in your question

6 0
3 years ago
When water droplets in a cloud combine, become too heavy, and fall to the ground as rain, snow, sleet, or hail, we are experienc
tatiyna

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precipitation

Explanation:

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3 years ago
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Control activities are performed within processes (e.g., segregation of duties required in processing cash receipt transactions)
galina1969 [7]

Answer:

a. True

Explanation:

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It is very important to clearly identify the relationships of the control objectives with other internal control elements such as:

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· The control objectives are made up of control goals, which allow them to have a more detailed perspective of the control objectives and at the same time facilitate the evaluation of their compliance.

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6 0
3 years ago
C2H6 is an example of what? a)iron b)element. c)atom. d)compound
Rama09 [41]
C2H6 is a chemical compound
6 0
3 years ago
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1. The emission spectrum of mercury atoms has a bright green line with wavelength
SashulF [63]

Emission spectrum results from the movement of an electron from a higher to a lower energy level. The frequency of the photon is 5.5 * 10^14 Hz.

From the formula;

E = hc/λ

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

c = speed of light=  3 * 10^8

λ = wavelength = 546.1 * 10^-9 m

E =  6.6 * 10^-34 * 3 * 10^8/546.1 * 10^-9

E =3.63 * 10^-19 J

Also;

E =hf

Where;

h = Planks's constant

f = frequency of photon

f = E/h

f = 3.63 * 10^-19 J/6.6 * 10^-34

f = 5.5 * 10^14 Hz

Learn more: brainly.com/question/18415575

5 0
2 years ago
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