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Aleks04 [339]
3 years ago
13

CAN SOMEBODY HELP WE SUMMERIZE THIS SMALL ARTICLE, WILL GIVE BRAINLIST!! :D

Chemistry
1 answer:
Len [333]3 years ago
5 0

Quick summary:

Homeostasis describes an environment that supports the survival of cells. It is achieved by making sure the temperature, pH (acidity), and oxygen levels (and many other factors) are set just right. All of your body's systems work together to maintain homeostasis inside your body.

key sentences:

-Homeostasis is a term that is used to both describe the survival of organisms in an ecosystem and to describe the successful survival of cells inside of an organism.

-Organisms and populations of organisms can maintain homeostasis in an environment when they have a steady level of births and deaths.

-It is similar to the idea of equilibrium.

-All of your body's systems work together maintain homeostasis inside of your body.

-Homeostasis is achieved by making sure the temperature, pH (acidity), and oxygen levels (and many other factors) are set just right for your cells to survive.

Summary paraphrased a bit: (<em>Might not 100% make sense grammatically, but it can be a decent guide)</em>

Homeostasis describes an environment  which promotes cell survival.  It is done by ensuring that the levels of temperature ,  pH (acidity), and oxygen (and several other variables) are set just right.  To maintain homeostasis within your body,  all of your body's systems work together.

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2 years ago
Calculate the value of Key in the following reaction if the equilibrium concentrations are
MAXImum [283]

Answer:

The value of the equilibrium constant Kc is 5.45

Explanation:

The "Law of Mass Action" states:

"For a reversible reaction in chemical equilibrium at a given temperature, it is true that the product of the concentrations of the products raised to the stoichiometric coefficients divided by the product of the concentrations of the reactants raised to their stoichiometric coefficients is a constant."

This constant was called the equilibrium constant. For a reaction:

aA + bB ⇄ cC + dD

the equilibrium constant Kc is:

Kc=\frac{[C]^{c} *[D]^{d} }{[A]^{a} *[B]^{b} }

In this case, the balanced reaction is:

2 H₂S → 2 H₂ + S₂

So, the equilibrium constant Kc is:

Kc=\frac{[H_{2} ]^{2} *[S_{2} ] }{[H_{2} S]^{2}  }

The equilibrium concentrations are

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Replacing in the definition of equilibrium constant:

Kc=\frac{(0.88 M)^{2} *0.44 M }{(0.25 M)^{2}  }

Solving:

Kc= 5.45

<u><em>The value of the equilibrium constant Kc is 5.45</em></u>

<u><em></em></u>

7 0
2 years ago
What happens to the concentration of the reactants and products during the course of a forward chemical reaction
chubhunter [2.5K]
Hello!

The concentration of the reactants decreases and the concentration of products increases during the course of a forward chemical reaction.

A chemical reaction is a thermodynamical process in which two or more substances (called reagents) undergo transformation by the breaking and rearrangement of their chemical bonds to form another substance(s), called products. In a forward chemical reaction, the reagents are being consumed, so their concentration will decrease, increasing the concentration of products as they are the result of the reaction. 

The study of how concentration changes with time in a chemical reaction is called reaction kinetics. 

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