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nata0808 [166]
3 years ago
9

Is it possible to add an atom with 12 protons and 13 electrons explain​

Chemistry
1 answer:
Svetllana [295]3 years ago
3 0
No, it is not possible. No.To gain a stable octet configuration, it would either lose 2e- (but question shows 13 e-) or else gain 6e- (which creates a great energy difference)
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How many kilojoules of heat are required to melt a 10-g popsicle is 0°C ? Assume the particle has the same molar mass and heat o
Fantom [35]
<h3><u>Answer;</u></h3>

3.4 kJ

<h3><u>Explanation</u>;</h3>

Taking the mass of water as 10.0 g

Moles of water = Mass /molar mass

Moles of water in 10.0 g;

= 10g H2O x 1mol/18g

=0.56mol

But, 1 mole of water = 6.01 kJ

Hence;

6.01kJ/1mol H2O= x kJ/.56mol,

               x = <u>3.4kJ</u>

4 0
4 years ago
A sample of seaweed contains 1 liter of water and has 50 grams of salt dissolved in its cells. The seaweed is placed in a soluti
masha68 [24]

seaweed having 50 g  salt in 1 L  water. The bucket contains 150 g of salt in 2 L of water

amount of water present in bucket is twice to amount of water in weed

V¬_water bucket=2×V_water weed

At equilibrium, volume of water in weed is x and volume in bucket is y but concentration remain same as follows:

50 /x=150 /y\\ Y = 3 x

At equilibrium, weed loose z L from 1 L  water to bucket containing 2 L as follows:

(2 + z) = 3 (1-z)\\ (2 + z) = 3 – 3 z\\ Z = 0.25 L

Thus, Weed will loose 0.25 L of water

5 0
3 years ago
Read 2 more answers
SO42- + 2Cr(OH)3 + 4OH- → + 2CrO42- + 3SO32- + 5H2O
gizmo_the_mogwai [7]

Answer:

Reduced species and oxidizing agent: sulfur in the form of sulfate.

Oxidized species and reducing agent: chromium in the form of chromous hydroxide.

Explanation:

Hello!

In this case, for the reaction:

SO_4^{2-} + 2Cr(OH)_3 + 4OH^- \rightarrow  2CrO_4^{2-} + 3SO_3^{2-} + 5H_2O

We can see that the oxidation states of sulfur and chromium change from +6 to +4 and +3 to +6 respectively; in such a way, since the oxidized species is the same reducing agent because it undergoes an increase in the oxidation state, we infer that chromium is it as it goes from +3 to +6.

Moreover, since the reduced species is the same oxidizing agent because it undergoes a decrease in the oxidation state, we infer that sulfur is it as it goes from +6 to +4.

Best regards!

6 0
3 years ago
Is Oxygen more reactive than Beryllium
Umnica [9.8K]
Yes, because beryllium is less dense and harder than oxygen.
5 0
3 years ago
Read 2 more answers
Help with chemistry please !!!
Katena32 [7]

Answer:

16

Explanation:

16

6 0
3 years ago
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