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ArbitrLikvidat [17]
4 years ago
8

What do chemical compounds want to obey?

Chemistry
1 answer:
Lerok [7]4 years ago
6 0

Answer:

Their atoms obey the octet rule

Explanation:

Chemical compounds are formed when atoms combine with one another in order to comply with the octet rule. The octet configuration gives an atom stability in electronic structure.

  • When atoms become isoelectronic with noble gases, it confers a special stability on them.
  • Therefore, to attain this state, they gain or lose electron or share their electrons with other species.
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WILL GIVE BRAINLIEST (also pls don't copy answers from other ppl :D) Question: Choose two spheres of Earth which interact when h
den301095 [7]

Answer:

Geosphere and Hydrosphere.

Explanation:

Hot springs are heated by geothermal heat—heat from the Earth's interior. In volcanic areas, water may come into contact with very hot rock heated by magma. The geosphere and hydrosphere interact when hot springs form. The geosphere gets a little melted by the hot hydrosphere and then when the springs shoot up in the air they break some rocks.

7 0
2 years ago
Calculate ΔS°rxn (J/k) for 3NO2(g) + H2O(l)LaTeX: \longrightarrow⟶ NO(g) +2HNO3(l) C6H12O6(s) + 6O2(g) LaTeX: \longrightarrow⟶ 6
Zigmanuir [339]

Answer:

\Delta _RS=-287.6J/K

\Delta _RS=972.4J/K

Explanation:

Hello,

In this case, the entropy of reaction is computed via:

\Delta _RS=\Sigma\nu_i  S_i^0_{product}-\Sigma\nu_i  S_i^0_{reactant}

In such a way, for the given reactions, we find:

- 3NO2(g) + H2O(l) ⟶ NO(g) +2HNO3(l)

\Delta _RS=2*146+210.65-69.940-3*239.9=-287.6J/K

- C6H12O6(s) + 6O2(g) LaTeX: \longrightarrow⟶ 6H2O(g) +6CO2(g)

\Delta _RS=6*188.72+6*213.7-212.1-6*205.0=972.4J/K

Best regards.

3 0
3 years ago
A generic element, Z, has two isotopes, 45Z and 47Z, and an average atomic mass of 45.36 amu. The natural abundances of the two
Dmitry_Shevchenko [17]

Answer:

46.96 amu

Explanation:

Isotopes are different kinds of same elements. The difference between two isotopes of the same element is the number of neutrons.

To get the relative atomic mass, we take into consideration the masses of the different isotopes. This is done by multiplying their abundances by their masses. They are then added together to get the relative atomic mass of the element.

Let the isotopic mass of 47Z be x

45.36 = [80/100 * 44.96] + [20/100 * x]

45.36 = 35.968 + 0.2x

0.2x = 45.36 - 35.968

0.2x = 9.392

x =9.392/0.2 = 46.96 amu

5 0
3 years ago
Elaborate the difference between NO and No.
Irina18 [472]

Answer; NO is the compound Nitrous Oxide whereas No is the metal Nobelium.

Explanation:

6 0
3 years ago
Which of the following developments would most likely occur if average summer air temperatures in the Arctic increased by 4°C?
s344n2d4d5 [400]

Answer:

A. Increase in permafrost thickness

Explanation:

<u>Climate warming (like of 4°C) would increase the active layer thickness (ALT) of permafrost</u>, which can cause changes in the hydrological cycle, ecological processes, and carbon flux in cold regions.

4 0
3 years ago
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