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denis23 [38]
3 years ago
6

HELP!!!!!! Multiple choice

Chemistry
1 answer:
muminat3 years ago
7 0
C. the number of protons always increases

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The oxides of nitrogen are very important ingredients in determining urban air pollution. Name each of the following compounds.(
deff fn [24]

Answer:

(a) N₂O - Dinitrogen monoxide or Dinitrogen (I) oxide

(b) NO - Nitrogen monoxide or Nitrogen (II) oxide

(c) NO₂ - Nitrogen dioxide or Nitrogen (IV) oxide

(d) N₂O₅ - Dinitrogen pentoxide

(e) N₂O₄ - Dinitrogen tetraoxide.

Explanation:

To name each of the compounds,

(a) N2O; It is properly written as N₂O. N₂O is a colorless, sweet tasting gas also known as "laughing gas".

N₂O - Dinitrogen monoxide OR Dinitrogen (I) oxide.

(b) NO; NO is a colorless gas.

NO - Nitrogen monoxide OR Nitrogen (II) oxide.

(c) NO2; It is properly written as NO₂

NO₂ is a reddish-brown gas.

NO₂ - Nitrogen dioxide or Nitrogen (IV) oxide.

(d) N2O5; It is properly written as N₂O₅

N₂O₅ is a white solid.

N₂O₅ - Dinitrogen pentoxide.

(e) N2O4; It is properly written as N₂O₄;

N₂O₄ is a red-brown liquid with an unpleasant smell.

N₂O₄ - Dinitrogen tetraoxide.

6 0
4 years ago
15.0 g of unknown metal heated to 140c breaker holds 150g of 25c water the hot metal cools down water heats up until both ending
wolverine [178]

in just getting points

4 0
3 years ago
How do you differentiate between gas and a vapour ?
kolbaska11 [484]
Gas is a substance that will not phase change.

And vapor is a substance above it's boiling point temperature.
6 0
3 years ago
If 7.400 g of C6H6 is burned and the heat produced from the burning is added to 5691 g of water at 21 °C, what is the final temp
Andru [333]
In your problems the possible solution is this one:

<span><span>F<span>fr</span></span>=<span>μk</span><span>FN</span>=<span>μk</span>mg</span><span>0.5(50000kg)(−9.8<span>m<span>s2</span></span>)</span><span>=−245000N</span> <span>a=F/m</span><span>−245000N/50000kg</span><span>=−4.9<span>m<span>s2</span></span></span><span>t=<span><span>v−<span>v0</span></span>a</span></span><span><span>0−10<span>ms</span></span><span>−4.9<span>m<span>s2</span></span></span></span><span><span>=2s

I hope you understand and satisfied with my answer</span></span>
8 0
3 years ago
Na: 1s22sC2pP3s<br> C=<br> D=<br> E=
KengaRu [80]

Answer

1s22s22p63s1

Explanation:

5 0
3 years ago
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