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Fynjy0 [20]
3 years ago
10

The Rydberg constant is 3.3 x 10 15 Hz. this value is also

Chemistry
2 answers:
mina [271]3 years ago
7 0

Answer:

Rydberg constant 3.3 x 10¹⁵ Hertz is equal to 1.090 x 10⁷ m⁻¹

Explanation:

Given;

Rydberg constant as  3.3 x 10¹⁵ Hz

1 Rydberg constant = 3.3 x 10¹⁵ Hz

1 Rydberg constant  = 1.090 x 10⁷ m⁻¹

Therefore, Rydberg constant 3.3 x 10¹⁵ Hertz is equal to 1.090 x 10⁷ m⁻¹

SpyIntel [72]3 years ago
6 0

Answer: The Ionization Frequency of Hydrogen

Explanation: With the visible region of the spectrum, and others using different kinds of light, were able to produce discrete line spectra for excited states of a hydrogen electron. Rydberg then came up with an empirical equation to describe the separation in frequency between the lines:  

ν =R [1/(n^2 l) −1/(n^2 u)]

with R equal to 3.3 x 1015 Hz. This is known as the Rydberg formula.

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Which balanced equation represents a redox reaction? a. AgNO3(aq) +NaCl(aq) →AgCl(s) +NaNO3(aq) b. H2CO3(aq) →H2O() + CO2(g) c.
Aleks [24]

Answer : The correct option is, (D) Mg(s)+2HCl(aq)\rightarrow MgCl_2(s)+H_2(g)

Explanation :

(A) AgNO_3(aq)+NaCl(aq)\rightarrow AgCl(s)+NaNO_3(aq)

This reaction is a double displacement reaction in which the cation and anion of two reactants are exchange their places to give two different products.

(B) H_2CO_3(aq)\rightarrow H_2O(l)+CO_2(g)

This reaction is a decomposition reaction in which the larger molecule decomposes to give two or more products.

(C) NaOH(aq)+HCl(aq)\rightarrow NaCl(s)+H_2O(aq)

This reaction is a neutralization reaction in which an acid and a base react to give a salt and water as a product.

(D) Mg(s)+2HCl(aq)\rightarrow MgCl_2(s)+H_2(g)

This reaction is a redox reaction in which the oxidation and reduction reaction occur simultaneously.

Oxidation reaction is the reaction in which a substance looses its electrons. In this oxidation state increases.

Reduction reaction is the reaction in which a substance gains electrons. In this oxidation state decreases.

In this reaction, magnesium shows oxidation due to change in oxidation number from (0) to (+2) and hydrogen shows reduction due to change in oxidation number from (-1) to (0).

Hence, the correct option is, (D)

7 0
3 years ago
Which of the followings are not the receptor
Ludmilka [50]
I believe it’s cold receptor
4 0
3 years ago
=:)
german

Answer:The Law of Conservation of Mass simply states that the total amount of mass should not change in a chemical reaction that is isolated (no other objects can enter the reaction). The total mass of the reactants must be equal to the total mass of the products. Thus, the correct estimate of the amount of oxygen used in the interaction is the difference between 133 g and 29 g.

Explanation: I hope this helped!

8 0
3 years ago
MULTIPLE CHOICE QUESTION
makvit [3.9K]

Answer:

B) Lose electrons to form positive ions

Explanation:

3 0
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Korvikt [17]

Answer:

Chemical change

Explanation:

The rusting of iron/a nail is a chemical change

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5 0
3 years ago
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