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sattari [20]
3 years ago
8

Study of gene structure and function

Chemistry
1 answer:
gregori [183]3 years ago
7 0

I believe the answer would be b

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The primary structure of a protein is determined by
photoshop1234 [79]

Answer: I believe the answer is A. The order of amino acids in the protein.

Explanation:

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3 years ago
Which is the correct equilibrium constant expression for the following reaction? Fe2O3(s) + 3H2(g) --> 2Fe(s) + 3H2O(g) Kc =
svetlana [45]

Answer:

The equilibrium constant Kc = [Fe]²*[H2O]³ / [Fe2O3][H2]³

Explanation:

Step 1: Data given

For the reaction aA + bB ⇆ cC + dD

the equilibrium constant Kc = [C]^c * [D]^d/[B]^b*[A]^a

Step 2: The balanced equation

Fe2O3(s) + 3H2(g) --> 2Fe(s) + 3H2O(g)

Step 3: Calculate the equilibrium constant Kc

Kc =  [C]^c * [D]^d/[B]^b*[A]^a

⇒with [C] = [Fe]

⇒ with c = 2

⇒with [D] = [H2O]

⇒with d = 3

⇒with [A] = [Fe2O3]

⇒with a = 1

⇒with [B] = [H2]

⇒with b = 3

Kc =  [C]^c * [D]^d/[B]^b*[A]^a

Kc = [Fe]²*[H2O]³ / [Fe2O3][H2]³

The equilibrium constant Kc = [Fe]²*[H2O]³ / [Fe2O3][H2]³

6 0
3 years ago
A water molecule collides with a sugar molecule. What type of energy
zlopas [31]

Answer:

kinetic energy.

Explanation:

an object in motion collides with another object to make that object in motion.

kinetic energy is the energy of an object being in motion.

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Ca(OH)2 is added to a large beaker of water. How is the solution different from the original water?
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When Ca(OH)₂ is added to a beaker of water the solution would turn phenolphthalein pink.  Phenolphthalein is a common indicator and is only pink when in basic solutions.  By adding calcium hydroxide, you are turning the solution into a basic solution since the concentration of OH⁻ ions is going up and therefore any phenolphthalein in solution would turn pink.
(answers A,C, and D would happen if you added an acid to the water such as HCl)
I hope this helps.  Let me know if anything is unclear.
6 0
3 years ago
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When was helium discoved?
andrey2020 [161]
It was discovered in 1868.i hope this helps you .
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3 years ago
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