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frutty [35]
3 years ago
5

Which statement is true? Energy cannot be created or destroyed. Energy can be destroyed but not created. Energy can be created b

ut not destroyed.
Chemistry
2 answers:
vaieri [72.5K]3 years ago
6 0
Energy can not be created and cannot be destroyed
<span />
Kryger [21]3 years ago
5 0
Energy is neither created or destroyed, so your answer would be A. Energy is not created or destroyed. Hope this helps
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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
3 years ago
*Riddle!* *Riddle!!* *Riddle!!!*
otez555 [7]

Answer:

https://www.getriddles.com/science-riddles/

Explanation:

go to this link, you will find some answers

hope it helps!

5 0
3 years ago
239 Pu 4 He<br> 94 2<br><br><br><br><br> Fill in the missing particle
lubasha [3.4K]

Answer:

la particula que queda es h2o

Explanation:

7 0
3 years ago
Reena is making a video from the pictures she took during her first vacation with family. She wants
KonstantinChe [14]

she will have to listen to all of carefully while she is writing for example:

she will listen and look at her writing page (where she writes) she looks while she listens and writes what she hears for example again:

(pretend as i am her.)

"Hey mom, dad, brother come i see crabs!" as she writes it she focuses on how she writes and stops the video and back up again to listen so she can see if it was correct.

7 0
3 years ago
The scale reads "16.121 grams", which number(s) is/are "estimated by the scale?
luda_lava [24]

Answer:

See explanation

Explanation:

There are different kinds of analytical balances that read the mass of objects weighed in them to one, two, three or four decimal places as the case may be.

Most common analytical balances read the mass of objects to two or three decimal places hence the last 1 after the decimal point are likely to be approximated.

Hence, the scale may read 16.12 as the case may be.

8 0
3 years ago
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