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anzhelika [568]
3 years ago
5

What conditions cause light to bend?

Chemistry
2 answers:
Kazeer [188]3 years ago
5 0
The Cause of Refraction<span>.

</span>Refraction<span> is merely one of several possible boundary behaviors by which a light wave could behave when it encounters a new medium or an obstacle in its path.</span>
KIM [24]3 years ago
3 0
The Cause of Refraction<span>. We have learned that </span>refraction<span> occurs as light passes across the boundary between two media. </span>Refraction<span>is merely one of several possible boundary behaviors by which a light wave could behave when it encounters a new medium or an obstacle in its path.</span>
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__________ bonds form between the oxygen and hydrogen within water molecules, whereas __________ bonds form between different wa
Gemiola [76]

Answer:

A. Covalent bond

B. Hydrogen bond

Explanation:

4 0
3 years ago
Once formed, how many valence electrons does an anion hold?
Elena-2011 [213]

Answer:

Anions. Some atoms have nearly eight electrons in their valence shell and can gain additional valence electrons until they have an octet. When these atoms gain electrons, they acquire a negative charge because they now possess more electrons than protons. Negatively charged ions are called anions.

7 0
3 years ago
(easy)+(20 points)
Vitek1552 [10]
Liquid to solid and solid to liquid
4 0
3 years ago
Read 2 more answers
Citrate synthase catalyzes the reaction: ????x????????o????c???????????????????? + ????c????????y???? − ????o???? → c???????????
Nady [450]

The given question is incomplete. The complete question is as follows.

Citrate synthase catalyzes the reaction

Oxaloacetate + acetyl-CoA \rightarrow citrate + HS-CoA

The standard free energy change for the reaction is -31.5 kJ*mol^-1

( a) Calculate the equilibrium constant for this reaction a 37degrees C

Explanation:

(a).  It is known that , relation between change in free energy (\Delta G) of a reaction and equilibrium constant (K) is as follows.

             \Delta G = -RT \times ln K  

where,  T = temperature in Kelvin

The given data is as follows.

         T = 310 K,       \Delta G = -31.5 kJ /mol = -31500 J/mol  (as 1 kJ = 1000 J)

Now, putting the given values into the above formula as follows.

     ln K = \frac{-(\Delta G)}{RT}

            = \frac{31500}{8.314 \times 310}

      ln K = 12.22

         K = antilog (12.22)

           = 2.1 \times 10^{5}

Therefore, we can conclude that value of equilibrium constant for the given reaction is 2.1 \times 10^{5}.

6 0
3 years ago
Elias serves a volleyball at a velocity of 16 m/s. The mass of the volleyball is 0.27 kg. What is the height of the volleyball a
frosja888 [35]

Answer:

2,7 m

Explanation:

You can solve this doing an energy balance:

m*g*h-\frac{1}{2} *m*v^{2} =41,7[J]

Solving this equation to get h:

\frac{41,7- \frac{1}{2} *m*v^{2} }{m*g}=h

Replacing the values and solving brings to 2,7 m

6 0
3 years ago
Read 2 more answers
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