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ASHA 777 [7]
3 years ago
15

Which of the following correctly describes the decomposition of aqueous NaNO3?

Chemistry
1 answer:
WARRIOR [948]3 years ago
5 0
The option that is more likely to happen is The molar enthalpy is 447 kJ and the reaction is endothermic. We can say this <span>because decomposition reaction need more energy input than output and when this is the case, a reaction is given to be endothermic and when energy is given in, the value is positive. Hope this info can help you</span>
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Answer:

  • Andesite.
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3 years ago
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What is the difference between a sea and an ocean
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Seas are smaller than oceans. Oceans are where land and water meet, and are usually bigger.

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Which element in period 3 has three times the electronegativity value compared to that of li in period 2
victus00 [196]

Answer:

Nitrogen

Explanation:

Elements in period two includes lithium, beryllium, boron, carbon, nitrogen, oxygen, fluorine and neon.

According to periodic trends, the electro negativity values are expected to increase across the period up to fluorine. Hence, as we go right wards, we encounter elements with higher electronegative values.

While lithium has an electronegative value of 1 , the electronegative value of element nitrogen is thrrr times this which is equal to three

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3 years ago
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Which cup has more thermal energy?
dybincka [34]

<em>Question: </em><em>Which cup has more thermal energy?</em>

<em>                   A. 2 liter cup of milk</em>

<em>                   B. 1 liter cup of milk</em>

<em>Answer: A. 2 liter cup of milk</em>

<em />

<em>Explanation:</em>

We have milk in both of the containers. The milk in both containers is the same temperature, so we will have to measure the amount of molecules. The amount of molecules makes it warmer, and if it is warmer, that is more energy. 2 liters have more thermal energy than 1 liter, because it has more molecules.

Our answer is 2 liter cup of milk.

5 0
2 years ago
When molecules have the same number of each element but those atoms are arranged differently they are known as____________.
Karo-lina-s [1.5K]

Answer: Structural Isomers

Explanation:

The compounds having similar molecular formula but different arrangement of atoms or groups in space are called isomers and the phenomenon is called as isomerism.  

Isomers are of two types: structural isomers and stereo isomers.

Structural isomers are isomers in which molecules with the same molecular formula have different bonding patterns.

Stereoisomers are isomers in which molecules have the same molecular formula and sequence of bonded atoms but differ in the three-dimensional orientations of their atoms in space.

Thus when molecules have the same number of each element but those atoms are arranged differently they are known as Structural isomers.

5 0
3 years ago
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