When a collision occurs between two reactant particles that, between them, have the required minimum kinetic energy, or activation energy, a product does not always form. Which of the following reasons explains this?A. low temperature

B. small surface area

C. unfavorable geometry

D. low concentration

Answers

Answer 1
Answer: I think the correct answer from the choices listed above is option C/ One reason that a product does not always form is due to unfavorable geometry of the reactants involved. When the geometry is not good for substances to react then no reaction can occur although there is enough energy present.
Answer 2
Answer:

The correct answer is

C- unfavorable geometry

:)


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The combustion of glucose ultimately involves the transfer of electrons to oxygen (O2). In biological systems, this takes place without a large increase in temperature. Which of the following statements about this process in biological systems is true? 1) Coupled oxidation-reduction reactions occur with electrons being passed to intermediate electron carriers. 2) The process involves the transfer of 12 pairs of electrons to oxygen. 3) The transfer of electrons from intermediate electron carriers to molecular oxygen is catalyzed by the electron transport chain. 4) Though the process is a controlled oxidation, some energy is lost.

List the 5 conditions that can disturb genetic equilibrium in a population.

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(1) nonrandommating;
(2) small 
population size;
(3) immigration or 
emigration;
(4) Mutations;
(5) Natural Selection. 

How old are the oldest rocks of the ocean floor?

Answers

The oldest rocks of the ocean floor are approximately 200 million years old. These rocks are found in the western Pacific Ocean and are part of the western Pacific seafloor, known as the "Western Pacific Basin." This area contains some of the oldest oceanic crust on Earth.

The age of oceanic rocks is related to the process of plate tectonics, where new oceanic crust is continually formed at mid-ocean ridges through volcanic activity. As the oceanic plates move away from the ridges, they carry with them the older rocks towards the edges of the ocean basins. Over time, these older rocks get pushed back into the Earth's mantle at subduction zones, where tectonic plates converge.

This recycling process limits the age of the oceanic crust, and as a result, the oldest oceanic rocks we find today are generally around 200 million years old. This age is significantly younger compared to the age of the continental rocks, some of which are billions of years old.

To know more about Western Pacific Basin:

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Oceanic crust has been forming on Earth for over 4 billion years, all of the sea floor older than about 200 million years. 

A person who is overweight or obese is most likely at risk for which disorder? Sleep disorder

Cognitive Disorder

Immune disorder

Blood disorder

Answers

The answer to this question is all of the above. 
A person who is overweight or obese is most likely at risk for:
Sleep disorder
Cognitive Disorder
Immune disorder
Blood disorder

>Obesity causes alterations to immune functions. It may also affect the brain and would likely to contribute cognitive problems. Obese people have high risks to elevated blood pressure. They also sleep less compared to those who have normal weights. 

Answer:

D.) blood disorder

Explanation:

Yes, all are correct but this one is most common.

Limb bones within unrelated animals that have the same basic structures are consideredA. vestigial structures.
B. analogous structures.
C. homologous structures.
D. embryological.

Answers

They are called homologous structures.

Do you think graphite would most likely display cleavage of fracture

Answers

it probably break apart with cleavage, because the carbon atoms in graphite from sheets that could split apart easily in layers.

Secondary metabolites are toxic chemicals in plants that are not used in or derived from photosynthesis or respiration. What are the most probable function of secondary metabolites?

Answers

Explanation:

Metabolites are the different kinds of the substances which are essential to metabolism of the organism.

Metabolites produced by the plants can be categorized into the primary metabolites and the secondary metabolites.

The primary metabolites have important role in survival of plant and play an active role in the respiration and the photosynthesis.

On the other hand, the secondary metabolites are not involved in normal growth and the development of plant. Although absence of these type of metabolites can lead to impairment of survivability of plant in long run.

Secondary metabolites are produced mostly by the plants for the defense purposes. They include steroids, alkaloids, phenolics, essential oils, resins, tannins, lignins, flavonoids, etc.