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Mkey [24]
3 years ago
5

What is the frequency of a wave?

Chemistry
2 answers:
IRISSAK [1]3 years ago
8 0
Frequency is the number of waves that pass certain point in a given amount of time. The unit used to measure wave frequency is called the hertz (Hz). Frequency, which is often used to describe waves is an important characteristic. Frequency is used to distinguish one color of light from the other. For example, red light is different from blue light because red light vibrates at a lower frequency than blue light. 
Lunna [17]3 years ago
6 0
Divide velocity by the wavelength.
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When air pressure is low what is the weather like​
kodGreya [7K]
When air pressure is low it is Cold
5 0
2 years ago
An independent variable is
Vsevolod [243]

Answer:

C

Explanation:

a variable does that dose not depend on that of another

6 0
2 years ago
Table below shows the electronegativities of four elements. Which of the following bonds is the most polar?
Contact [7]

 Lets find the electronegativity difference between the bonded atoms;

C-H = 2.6-2.2 = 0.4

C-F = 4.0-2.6  = 1.4

F-F = 4.0-4.0   = 0

H-O = 3.4-2.2  = 1.2

Here the electronegativity difference is highest for C-F bond hence C-F bond is most polar.

8 0
3 years ago
At a given temperature, the elementary reaction A − ⇀ ↽ − B , A↽−−⇀B, in the forward direction, is first order in A A with a rat
Svetllana [295]

Answer:

The equilibrium constant for the reversible reaction = 0.0164

Explanation:

At equilibrium the rate of forward reaction is equal to the rate of backwards reaction.

The reaction is given as

A ⇌ B

Rate of forward reaction is first order in [A] and the rate of backward reaction is also first order in [B]

The rate of forward reaction = |r₁| = k₁ [A]

The rate of backward reaction = |r₂| = k₂ [B]

(Taking only the magnitudes)

where k₁ and k₂ are the forward and backward rate constants respectively.

k₁ = 0.010 s⁻¹

k₂ = 0.0610 s⁻¹

|r₁| = 0.010 [A]

|r₂| = 0.016 [B]

At equilibrium, the rate of forward and backward reactions are equal

|r₁| = |r₂|

k₁ [A] = k₂ [B] (eqn 1)

Note that equilibrium constant, K, is given as

K = [B]/[A]

So, from eqn 1

k₁ [A] = k₂ [B]

[B]/[A] = (k₁/k₂) = (0.01/0.0610) = 0.0163934426 = 0.0164

K = [B]/[A] = (k₁/k₂) = 0.0164

Hope this Helps!!!

5 0
3 years ago
May you please help if you don’t know scroll it you’re 100% thank you
grandymaker [24]

Answer: rise earlier and set later

Explanation: just trust me hope this helps

5 0
3 years ago
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