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Gala2k [10]
2 years ago
5

Which chemical equations show a precipitation reaction?

Chemistry
2 answers:
Anestetic [448]2 years ago
6 0
A and D

Hope this helps
yarga [219]2 years ago
4 0

Answer:

b d e #platolivesmatter

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How can you determine the frequency of a wave when the wavelength is known?
Korvikt [17]
Frequency = velocity (aka speed) / wave length
3 0
3 years ago
An isotope with a mass number of 193 has 116 neutrons. What is the atomic number of this
Zinaida [17]

Answer:

Atomic number of this  isotope = 77

Explanation:

Given that,

Mass number = 193

No of neutrons = 116

We need to find the atomic no of this isotope.

We know that,

Atomic mass = No of protons + No. of neutrons

Also, atomic no = no of protons

So,

Atomic mass = atomic no + No. of neutrons

⇒ Atomic no = Atomic mass - no of neutrons

Atomic no = 193 - 116

Atomic no = 77

Hence, 77 is the atomic no of the isotope.

6 0
3 years ago
We have 1700 Tonnes of Amoniac every day. How many tonnes of 63% Nitrogen soda we can get?
V125BC [204]
There are 3 equations involved in manufacturing Nitric Acid from Ammonia. 

First the ammonia is oxidized:
4NH3 + 5O2 = 4NO + 6H2O

Then for the absorption of the nitrogen oxides.
2NO + O2 = N2O4

Lastly, the N2O4 is further oxidized into Nitric acid.
3N2O4 + 2H2O = 4HNO3 + 2NO

Then run stoichiometry through these equations.
The first equation produces roughly 271,722,938 grams of NO
The second equation produces roughly 416,606,944 grams of N2O4
The last equation produces roughly 380,412,294 grams of HNO3 (nitric acid)

Convert the exact number back into tons, and your answer is: 419.332775 tons.

Rounded, I'm going to say that's 419.33 tons.
Hope this helps! :)

Also, it seems that commercially, Nitric Acid is commonly made by bubbling NO2 into water, rather than using ammonia.
3 0
2 years ago
7. What happen if we don't have water?
Ahat [919]

Answer:

our bodies will dehydrate causing us to die a dreadfully excruciating painful death

4 0
3 years ago
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- A jackrabbit's powerful legs are an example of a
dusya [7]

Answer:

I think it is b.

Explanation:

8 0
2 years ago
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