Why Is A Buffer System So Important?

isotopes have the same chemical properties as their elements but different chemical properties. This is because isotopes of an element have the same number of electrons as an atom of that particular element. The electron arrangement is what affects chemical properties, and isotopes have the same electron arrangement , so they have the same chemical properties. However the have a different number of neutrons which changes the mass number. The mass number is what determines the physical properties , such as boiling point and

A solution whether acidic, basic, neutral can be altered. The pH of a solution can be added by adding more hydrogen ions or hydroxide ions in the solution. An example of changing an acidic solution to a base is to add a liquid solution containing hydroxide ions. If you want to change a base to an acidic solution then add a solution containing hydrogen ions. Note acid does not mean the same thing as acidic. Buffers make solutions stay within there range of pH, that is maintain an acidic solution acidic in pH and a basic solution basic in ph. Buffers can act as either an acid or a base. When buffers maintain the pH number of a solution is creates pH homeostasis. Buffers are not

If an acid is added to a substance then the pH level will drop because you are adding more acid (HCl) to the solute becomes more acidic. While adding a base to a substance will cause the pH level to rise because adding more base (NaOH) to the solute would make it more basic.

True- like dissolves like, polar dissolves polarTwo polyanionic strands of DNA can associate into a double-helix because the sum of non-covalent bond energies between the two strands exceeds the sum of covalent bond energies within the two strands.

Out of the five liquids in this lab, only one is a base. The baking soda is a base because it has a pH of 10 and things with pHs of eight to 14 are bases. Three out of the seven are acids. Acids have a pH of zero to six. Vinegar is an an acid since it has a pH of three, close to that is lemon juice with a pH of two. Bleach is also an acid because it has a pH of 6. Only one one substance in the lab was neutral, which was water since it has a pH of 7. Living things must maintain a pH of seven. Buffers play a large part in maintaining the body’s pH level. Buffers are weak acids that react with strong bases or acids. They’re made by the body to prevent sharp or sudden changes in the body’s pH. One thing I learned from this lab is how quickly pH

Isotopes are atoms that do not have the same exact amount of neutrons. (Withcott, J. & Laposata, M. 2012). According to Essential environment: The science behind the stories” Isotopes are denoted by their elemental symbol preceded by the mass number, or combined number for protons and neutrons in the atom”. Ions are are atoms that become power driven or a blend of atoms.(Withcott, J. & Laposata, M. 2012). According to Essential environment: The science behind the stories” Ions are denoted by their elemental symbol followed by their ionic charge.

In chemistry, chemists determine which bond belongs to which molecule have. Electronegativity values are used as well to help determine which bond belongs to which molecule. The bonds scientists use are: covalent bonds, which is when the electrons are shared equally, Polar covalent bonds this is when the electrons are shared unequally, and ionic bonds which are when electrons are transferred from one atom to the other. The difference between the ionic and covalent bonds are: ionic bonds have electrons that are shared between atoms, while covalent bonds have electrons that are shared equally or unequally inside one molecule. Ionic Bonds are formed when a complete transfer of valence electrons between atoms happens. An example of an ionic bond

The reason the same element can have slightly different atomic masses is the different amount of neutrons. How ever many neutrons an element has effects the weight of the atom. They are called isotopes.

Covalent bonding occurs when atoms share pairs of electrons. Atoms will covalently bond with other atoms in order to gain more stability. Nonmetals will readily form covalent bonds with other nonmetals. Although it is said that atoms share electrons when they form covalent bonds, they do not usually share the electrons equally. Something called Electronegative is where how much an atom wants to bond. The smaller the atom the closer to the protons. The smaller the atom the closer to the protons. When you share the electrons it is called Covalent or Covalent bonding. Covalent bonding makes very strong connections between the atoms, so it's hard to break these molecules apart. As you go up on the periodic table the atoms gets smaller and smaller. Molecules that join with covalent

A buffer is a compound that maintains a solution at a constant pH by accepting or releasing hydrogen ions in response to small changes in its concentration; if the concentration of hydrogen rises, buffers combine with them, it the concentration of hydrogen falls, buffers release more of them. The carbonate buffer system in our blood is a buffer system that regulates pH in our bodies. When the lungs remove CO2 (carbon dioxide), it raises the pH, because hydrogen ions must be consumed to produce CO2, in order to prevent an excess of hydrogen ions from being lost, the kidneys remove excess bicarbonate ions, which results in more hydrogen ions, and a lower pH. (Casiday, R., & Frey, R. (1999). Blood, Sweat, and Buffers: PH Regulation During Exercise.

A molecule that has a different regions or poles that have different charges is known as polar. Polarity occurs because oxygen is more attractive to electrons than many other atoms to include hydrogen. Electrons in a water molecule spend more time near the nucleus of the oxygen atom than it spends near the nuclei of a hydrogen atom, this is called electronegative. When there is a negatively charged electron near the oxygen in water it carries a negative charge. A nonpolar molecule is an atom that carries no partial charge. For example, the carbon-hydrogen bonds share electrons equally, and they are nonpolar.

So here we are talking about the three types major chemical bonds. NaCl is an ionic bond because chlorine does not share any electrons with sodium to form a bond. There are two different types of covalent bonds non polar and polar covalent bonds. So ionic bonds are basically the electronegativity is larger then its more polar. Non polar bonds have the same electronegativity which makes them share an equal pair share of the bond. Polar bonds have a different electronegativity which makes it have an unequal share of the bonds. Some of the characteristics for covalent bonds are bond length and bond polarity. The definition for bond length is the identity of the bond and seeing if it is singled, doubled, or tripled bond. Bond polarity means a covalent

Covalent bonding is when electrons are shared by atoms, which enables the atoms to gain more stability.

Covalent bonding starts when atoms are sharing pairs of electrons. Atoms will covalently bond with other atoms to get more stability, which they get by forming a full electron shell. By sharing their outer most valence electrons, atoms fill up their outer electron shell and get stability. Nonmetals will form covalent bonds with other nonmetals in order to gain stability. They also can form anywhere between one to three covalent bonds with other nonmetals depending on how many valence electrons they have. Covalent bonds are the strongest type of chemical bond. When two or more atoms have similar electronegativity, conditions are suitable for covalent bonding. Covalent bonds are the strongest type of chemical bond. Electronegativity increases toward the right of the periodic table and decreases down the table. Electronegativity is not an atomic property, but is there when atoms interact with each other.

An isotope refers to elements that have different mass numbers with the same number of protons and similar chemical and physical properties but a greater number of neutrons for example carbon has 3 isotopes including carbon ((_6^12)C), carbon-13 ((_6^13)C) and carbon-14 ((_6^14)C).