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ki77a [65]
3 years ago
7

A student is asked to balance an equation by using the half-reaction method. He determines the two half reactions as shown below

.
What should he write as the final, balanced equation?

Chemistry
1 answer:
lina2011 [118]3 years ago
6 0

Answer:

Cl2 + 2Br -> Br2 + 2Cl

Explanation:

There are 2 electrons in each side, so you can substract them and then up with 0 electrons

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Hii can someone help me pls this is the last question
lara31 [8.8K]

Answer:

B. 126

Explanation:

the scale is 1 to 42 so the scale would be:

3 cm:x cm

3 * 42 = 126 cm

8 0
2 years ago
Give an example of an amino acid that might be involved in each, and indicate which level(s) of protein structure might be gener
stiv31 [10]

Answer: Pink R-groups contain primarily C and H, which have approximately equal electronegativities and lack O; most green R-groups also contain a highlyelectronegative O atom.Green R-groups contain primarily C and H, which have approximately equal electronegativities and lack O; most pink R-groups contain a highlyelectronegative O atom

Explanation: I've been researching it for a while now

6 0
4 years ago
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
3 years ago
The solubility product for an insoluble salt with the formula M2X3 is written as ________, where s is the molar solubility
masha68 [24]

Answer:

36s^5

Explanation:

We have;

M2X3 (s)------> 2M^3+(aq)  + 3X^2-(aq)

If [M^3+(aq)] = [X^2-(aq)] = s

We then have;

Ksp = (2s)^2 * (3s)^3

Ksp = 4s^2 * 9s^3

Ksp = 36s^5

Note that Ksp is known as the solubility product. It is an equilibrum equation that shows the solubility of a solute in water.

3 0
3 years ago
The nose is an organ that acts as an airway for oxygen to enter the body. The nose also contains hairs that trap small foreign o
myrzilka [38]

A. The oxygen means it's a respiratory, and the hairs act to ensure no foreign contaminants make you sick.

5 0
3 years ago
Read 2 more answers
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