Wednesday, September 8, 2010

aldehyde oxidation

Let us learn about aldehyde oxidation

An aldehyde is refereed as an organic compound containing a formyl group. This functional group, with the structure R-CHO, includes a carbonyl centre bonded to hydrogen & an R group. Aldehydes are commonly engendered by alcohol oxidation.

Many aldehydes are used in large-scale industrial materials, perfume ingredients, useful as solvents, monomers, & intermediates

Ketones are not oxidized under these situations as they lack the critical H for the elimination to occur. Aldehydes can be generated by oxidation of primary alcohols. Aldehydes are oxidized only to carboxylic acids


In our next blog we shall learn about integral table I hope the above explanation was useful.Keep reading and leave your comments.


Tuesday, September 7, 2010

polar and nonpolar covalent bonds

Let us learn about polar and nonpolar covalent bonds

Covalent bond is a bond in that the electrons are shared by the partner atoms.
 
Polar bond is simply a type of covalent bond in that the electrons are
shared but not equally. 

The greater the electro negativity difference, the more ionic the bond is. Bonds which are partly ionic are said to be polar covalent bonds.

Nonpolar covalent bonds Cl-Cl. since the 2 atoms are identical, they will share electrons equally.

Polar covalent bonds: H-O-H oxygen is an "electron hog" & so the electrons will spend more time with the oxygen than with the hydrogen, sharing unequally.


In our next blog we shall learn about repressible operon I hope the above explanation was useful.Keep reading and leave your comments.


Monday, September 6, 2010

s element

Let us learn about s element

The s- Block Elements of the periodic table of elements consists of the 1st 2 groups, the alkali metals & alkaline earth metals + hydrogen & helium.

The d block elements fall between the p block & the s block. They share the common characteristics in which the d sublevel of the atom is being filled

The s- Block Elements or metals such as Na and Ca have s electrons which are easily lost, but the ionization energies of the inner electrons are very high that they are never lost in chemical reactions. Hence the oxidation number of sodium is always +1 & calcium is always +2


In our next blog we shall learn about scale drawing worksheets I hope the above explanation was useful.Keep reading and leave your comments.

Sunday, September 5, 2010

propanone

Let us learn about propanone

propanone includes the formula C3H6O as the middle carbon atom has a double bond O attached. Propanol includes the formula C3H7OH & the OH group can be on any carbon atom. If the OH group is on the 2nd carbon atom & the propanol is then oxidised then the hydrogen attached to the oxygen, & the hydrogen attached to the 2nd carbon are removed & propanone is preduced


In our next blog we shall learn about zooflagellates I hope the above explanation was useful.Keep reading and leave your comments.

Thursday, September 2, 2010

respiratory quotient

Let us learn about respiratory quotient

Respiratory Quotient: RQ is the sum of carbon dioxide produced by an organism in a given time divided by the sum of oxygen consumed at the same time. Different respiratory substrates the organic substance that is used to produce respiration different values for the respiratory quotient.

RQ= Amount (Volume) of carbon dioxide evolved

Amount (Volume) of oxygen absorbed

RQ = 2co2 = Infinity (R)

oo2

The ratio of the amount (volume) of carbon dioxide released to the volume of oxygen consumed by a living body tissue or an organism in a given duration.


In our next blog we shall learn about polar covalent bond definition I hope the above explanation was useful.Keep reading and leave your comments.


Wednesday, September 1, 2010

animalia

Let us learn about animalia

The original Animal Kingdom proposed by Linnaeus included the sponges, jelly fishes, worms, crabs, insects, protozoans, spiders, snails, starfishes, sharks, bony fishes, frogs, lizards, birds & mammals too. Animalia is an illustrated kid's book by Graeme Base. Animalia was published in 1986.

The animal body basically exhibits a definite symmetry form & shape.

  • Animals have the ability to move from place to place in search of their necessities.
  • Growth & development in animals is determined & occurs proportionately in all parts of the body.
  • Animals are generally heterotrophic, depends on plants & other animals for food
  • Animals have the property of irritability - the ability to respond to a stimulus.
  • The cells, that form an animal's body, do not have a cell wall. Plastids & vacuoles are basically absent & centrioles & lysosomes are present.
  • Animal cells cannot synthesize all the necessary vitamins, amino acids, & coenzymes & as such will have to obtain them from external sources.
  • Store food is glycogen.

In our next blog we shall learn about plant cell diagram I hope the above explanation was useful.Keep reading and leave your comments.

Tuesday, August 31, 2010

everyday person more productive

Let us learn about everyday person more productive

All of us wish that we could be more productive everyday, because of some reason; sometimes things like being disorganized & procrastinating can keep us from reaching our full potential. Our aims & dreams can, at times, seem unreachable & the obstacles in our paths insurmountable. Fortunately, the secret to being a productive person who knows how to accomplish any task set before them really isn’t that more difficult. All we need to know is how to get started.


1. We start small: recognize your goals.

2. If you have your goals in mind try to write them down.

3. The last of those 3 problems is procrastination, & it can be very difficult.

4. Even after making all the lists & schedules correctly for getting your goals completed, the key is to actually start working towards them

5. Ensure to take note every day of exactly why you’re aiming for these goals

Mindset, Attitude, & planning are the key factors in becoming a success. Take note of your aims, goals, & commit yourself to them. Set aside time for you, get something accomplished each day, small or big, it doesn’t matter. Keep your motivations on the forefront of your mind & you are sure to become a happier & more productive you!


In our next blog we shall learn about staples associate connection I hope the above explanation was useful.Keep reading and leave your comments.