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Anon25 [30]
2 years ago
11

Which could be the catalyst in a chemical reaction? A. reactants B. product C. enzyme D. activated complex

Chemistry
2 answers:
Mariulka [41]2 years ago
6 0
C. Enzyme because they catalyze biochemical reactions
dangina [55]2 years ago
3 0

Answer: Option (C) is the correct answer.

Explanation:

An enzyme is similar to a catalyst as it helps in increasing the rate of a biochemical reaction.

Also, like catalysts an enzyme does not get consumed in a reaction. They also help in lowering the activation energy and helps the reactant molecules to cross the energy barrier easily so that rate of reaction speeds up.

Thus, we can conclude that an enzyme could be the catalyst in a chemical reaction.

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The vapor pressure of a liquid in a closed container depends
DerKrebs [107]

Answer:

(c) temperature

Explanation:

In a closed system, as the temperature increases, the molecules in the liquid are exited and converts into gas. The more the gas transformed, the more the gas(vapor) pressure. The less the gas transformed, the less the vapor pressure.

Therefore, temperature is a major factor in vapor pressure.

7 0
3 years ago
Pick the correct pair of species that can form hydrogen bond with water. (A) CH, HCOOH (B) F, HCOOH (C) F .CH,OCH, (D) Both (B)
Xelga [282]

Answer:

(B) F⁻, HCOOH

Explanation:

(A) CH₄, HCOOH

(B) F⁻, HCOOH

(C) F⁻, CH₃-O-CH₃

The hydrogen bonds are formed when the hydrogen is found between two electronegative atoms such as oxygen (O), nitrogen (N) or florine (F).

O····H-O, F····H-O, O····H-N

(A) CH₄, HCOOH

- here methane CH₄ is not capable to form hydrogen bond with water

- formic acid HCOOH can form hydrogen bonds with water

H-C(=O)-O-H····OH₂

(B) F⁻, HCOOH

-both floride (F⁻) and formic acid can form hydrogen bonds with water

F····OH₂

H-C(=O)-O-H····OH₂

(C) F⁻, CH₃-O-CH₃

-  dimethyl-ether CH₃-O-CH₃ is not capable to form hydrogen bond with water

- floride (F⁻) can form hydrogen bonds with water

F····OH₂

4 0
2 years ago
Dichotomous Keys are used to identify organisms based on their observed characteristics. Dichotomous means..
BartSMP [9]

Dichotomous keys consist of a series of statements with two choices in each step that will lead users to the correct identification. So I believe your answer would be A.

7 0
3 years ago
3. A girl<br> ran 105 metres in 15 seconds. What was her speed
sweet [91]

Answer:

7 meters per second was her speed

5 0
2 years ago
What is biological function?
Alika [10]

Answer:

Biological Functions: processes and structures by which organisms adjust to short-term or long-term changes in their environment

4 0
2 years ago
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