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sasho [114]
3 years ago
5

What experimental evidence led to the development of this atomic model from the one before it?

Chemistry
1 answer:
Andrews [41]3 years ago
8 0

Answer: oof... I worked on atoms last year+ too dumb to remember

Explanation:

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natta225 [31]
The answer of this question is A
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3 years ago
What is the electron ADDRESS of Chlorine
Ivan

Answer:

Therefore the Chlorine electron configuration will be 1s22s22p63s23p5. The configuration notation provides an easy way for scientists to write and communicate how electrons are arranged around the nucleus of an atom.

Explanation:

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Why are little pieces of cardboard lighter than a whole piece of cardboard?
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3 years ago
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When nitrogen dioxide (NO2) from car exhaust combines with water in the air, it forms nitric acid (HNO3), which causes acid rain
Gekata [30.6K]

Answer:

n_{HNO_3}=0.584molHNO_3

Explanation:

Hello.

In this case, given the described reaction, the formation of nitric acid turns out:

NO_2+H_2O\rightarrow HNO_3

Since two hydrogen atoms are present at the reactants we balance it as follows:

3NO_2+H_2O\rightarrow 2HNO_3+NO

In such a way, since there is a 1:2 mole ratio between water and nitric acid, the produced moles of nitric acid, turns out:

n_{HNO_3}=0.292molH_2O*\frac{2molHNO_3}{1molH_2O}\\\\ n_{HNO_3}=0.584molHNO_3

Best regards!

5 0
3 years ago
What is the volume of an object with a density of 7.73 g/cm^3, and a mass of 5.40 x 10^2 g?
storchak [24]
M/v=d > v=d*m
d= 7.73 g/cubic cm
m= 540 grams
v=7.73*540

volume is 4174.2
3 0
3 years ago
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