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.
The balanced reaction is:
4Fe + 3O2 --> 2Fe2O3
Stoichiometrically:
(1.0 mol Fe)(2 mol Fe2O3 / 4 mol Fe) = 0.50 mol Fe2O3
If the actual yield is only 0.325 mol Fe2O3, the % yield can be calculated by dividing actual by theoretical yield:
0.325 / 0.5 x 100% = 65% yield
The answer would be B. <span>One atom of sodium and one atom of fluorine</span>