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3 years ago

Which reaction will proceed most quickly or be the easiest?

Chemistry

1 answer:

morpeh [17]3 years ago

8 0

Answer:

C. Na and F

Explanation:

The reaction between Sodium and fluorine will proceed more quickly and easily of all the given reaction choices.

This is because fluorine is the most electronegative element and sodium is more electropositive when compared to Lithium.

This significantly large electronegativity difference between the atoms confers a high reactivity on both of them.
In this reaction, an ionic bond forms by the virtue of sodium losing one electron to be gained by fluorine.
This way both atoms becomes isoelectronic with Neon.

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What the concept of electronic transition

just olya [345]

Electronic transition moments are defined as the probability for a given excitation energy transition to take place. It should be evident that the transition moment depends upon the spin-orbit coupling of the electrons in both the ground and excited states.

Hope this helps :)

Have a great day!

7 0

3 years ago

Butyl butyrate is an ester that is a naturally occurring oil used in the flavor industry for its fruity scent. If the steam dist

Snezhnost [94]

Answer:

The correct answer is 62.5 %.

Explanation:

Based on the given information, the partial pressure of butyl butyrate is 50 mmHg and the partial pressure of water is 710 mmHg.

Hence, the total pressure is 710+50 = 760 mmHg

According to Dalton's law of partial pressure,

Partial pressure = mole fraction * total pressure

Mole fraction of water is,

Partial pressure of water/Total pressure = 710/760 = 0.93

Similarly, the mole fraction of butyl butyrate is,

Partial pressure of butyl-butyrate/Total pressure = 50/760 = 0.07

Therefore, mole% of water is 0.93 * 100 = 93 %

For calculating mass%,

Mass of H2O = 0.93 * 18 = 16.8 grams (The molecular mass of water is 18 grams per mole)

The molecular mass of butyl-butyrate is 144 gram per mole

The mass of butyl-butyrate = 144 * 0.07 = 10.08 grams

The mass percent of water will be,

Mass % of water/Total mass % * 100 = 16.8 / 10.08 + 16.8 * 100 = 62.5%.

8 0

3 years ago

"When elements are arranged in order of increasing atomic number, there is a periodic repetition of their physical and chemical

matrenka [14]

Answer: periodic law.

Justification:

1) Although Mendeleev formulated the modern periodic table, ordering the elements according to their physical and chemical properties, there is not such law as Meneleev's Law.

2) The Pauli exclusion principle states that two electrons on an atom cannot have the same 4 quantum numbers, which drives to the fact that only two electrons can stay in the same orbital, each with opposite spin numbers.

3) Hund's rule states that the electrons with the same energy level will occupy the orbitals with the same spin before adding the electrons with the opposite spin.

4) Indeed the periodic law <span>states that the elements are arranged in order of increasing atomic number, and there is a periodic repetition of their physical and chemical properties.</span>

6 0

3 years ago

Read 2 more answers

What is the force that will make the motion of the wooden block and the ice cube stop?

Usimov [2.4K]

Uuhhhhhh uhhhh uhhh yhhh minecraft?

3 0

3 years ago

Gemiola [76]

Answer:

the physical and chemical properties of the products are different from the reactants

Explanation:

A chemical reaction involves the chemical combination of two or more elements/compounds called Reactants to give one or more different elements/compounds called Products. A chemical reaction occurs in such a way that the atoms of the reactants are restructured to form product(s) that is/are entirely different from the reactants.

In a chemical reaction, the physical and chemical properties of the products differ from that of the reactants since different chemical compounds/elements are formed as products. The physical properties of a substance, which include colour, melting and boiling point etc. will differ in the reactants and products formed. Also, the chemical structure and identity of the reactants will be changed to give rise to a different chemical property in the products.

7 0

3 years ago