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vladimir2022 [97]
3 years ago
6

Which statement best describes the temperature dependence of an addition reaction? Addition reactions are thermodynamically impo

ssible. Addition reactions are thermodynamically disfavored at all temperatures. Addition reactions are thermodynamically favored at low temperatures. Addition reactions are thermodynamically favored at high temperatures. Addition reactions are thermodynamically favored at all temperatures.
Chemistry
2 answers:
Nookie1986 [14]3 years ago
8 0

Answer:

Addition reactions are thermodynamically favored at low temperatures.

Explanation:

kakasveta [241]3 years ago
5 0

Answer:

Addition reactions are thermodynamically favored at low temperatures.

Explanation:

Compared to substitutions or eliminations, addition reactions do not require to break as many bonds as them, as such, they do not require such a high input of energy (ie. temperature) in order to take place.

This is why if there's a high temperature, the reactions that require more energy -like substitutions or eliminations- will be more thermodinamically favored than the reactions that require less energy -like additions-, and viceversa.

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What information can be learned about atoms of different elements by examining the periodic table
7nadin3 [17]

Answer:

The periodic table tells you the atomic number (which tells you the number of protons and electrons). It also includes the mass number, which is the sum of the protons and neutrons in the nucleus of an atom.

4 0
3 years ago
How do chemists explain on a molecular basis
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Explanation:

It happens because particles of gas are in constant random motion. Thus they can collide with the walls of the container causing pressure on the walls.

4 0
2 years ago
I WILL MARK BRAINLIEST ANSWER!
Zina [86]

Answer:

1.

Explanation:

1. They are made up of two or more Pure substances that are not chemically bonded together and appear non-uniform

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5 0
3 years ago
Read 2 more answers
If 156 grams of chromium react with an excess of oxygen, as shown in the balanced chemical equation below, how many grams of chr
Sunny_sXe [5.5K]

Answer:

=759.95 grams.

Explanation:

The molar mass of chromium is 51.9961 g/mol

Therefore the number of moles of chromium in 156 grams is:

Number of moles =mass/RAM

=156g/51.9961g/mol

=3 moles.

From the equation provided, 3 moles of chromium metal produce 2 moles of Chromium oxide.

Therefore 3 moles of chromium produce:

(3×2)/4 moles =1.5 moles of chromium oxide.

I mole of chromium oxide has a mass of 151.99 g

Thus 1.5 moles= 1.5mole ×151.99 g/mol

=759.95 grams.

3 0
2 years ago
When 0.513 g of biphenyl (c12h10 undergoes combustion in a bomb calorimeter, the temperature rises from 26.3 ?c to 29.7 ?c?
olasank [31]
When 0.514 g of biphenyl (C12H10) undergoes combustion in a bomb calorimeter, the temperature rises from 25.8 C to 29.4 C. Find ⌂E rxn for the combustion of biphenyl in kJ/mol biphenyl. The heat capacity of the bomb calorimeter, determined in a separate experiment, is 5.86 kJ/ C. 



<span>The answer is - 6.30 * 10^3 kJ/mol 

</span>
3 0
3 years ago
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