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3 years ago

What mechanical and chemical digestion occur in the stomach?

Chemistry

1 answer:

Pavlova-9 [17]3 years ago

5 0

Answer:

See the answe below, please.

Explanation:

In the stomach, during digestion there are two types of:

-Mechanics: the degradation of food occurs, distension of the stomach walls is performed when they arrive, producing the Chyme.

Chemistry: through the participation of enzymes (pepsin activated by hydrochloric acid, which digests proteins in shorter amino acid chains and; gastric lipase that breaks fat giving glycerin products and fatty acids)

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Explain the role light plays on the rate<br> of photosynthesis.

Luda [366]

Answer:

The process of photosynthesis occurs when green plants use the energy of light to convert carbon dioxide (CO2) and water (H2O) into carbohydrates. Light energy is absorbed by chlorophyll, a photosynthetic pigment of the plant, while air containing carbon dioxide and oxygen enters the plant through the leaf stomata.

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3 years ago

Liquids and gases have all of the following characteristics except which one?

velikii [3]

Their molecules move at different speeds

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3 years ago

Consider the following system at equilibrium where H° = 111 kJ/mol, and Kc = 6.30, at 723 K.

Rashid [163]

Answer:

1) The value of Kc:

C. remains the same.

2) The value of Qc:

A. is greater than Kc.

3) The reaction must:

B. run in the reverse direction to restablish equilibrium.

4) The concentration of N2 will:

B. decrease.

Explanation:

Hello,

In this case, by means of the Le Chatelier's principle which is based on the shift a chemical reaction could have under some modifications, we have:

1) The value of Kc:

C. remains the same, since it just depend the reaction's thermodynamics as it is computed via:

$ln(K)=\frac{\Delta _RG}{RT}$

2) The value of Qc:

A. is greater than Kc, since the reaction quotient is:

$Qc=\frac{[N_2][H_2]^3}{[NH_3]^2}$

Thus, the lower the concentration of ammonia, the higher Qc, making Qc>Kc.

3) The reaction must:

B. run in the reverse direction to restablish equilibrium, since ammonia was withdrawn and should be regenerated to reach the equilibrium.

4) The concentration of N2 will:

B. decrease, since less reactant is forming the products.

Best regards.

8 0

3 years ago

Read 2 more answers

PLEASE HELP!!!!!!!!!!!!!!

Akimi4 [234]

Answser

i didnt do dis my mom has a answer key book

Explanation:

4 0

2 years ago

The metals in Groups 1A, 2A, and 3A ____.

Ket [755]

The correct answer is D.

I hope that helped! c:

6 0

3 years ago