The purpose of this demonstration is to provide visual evidence of the influence of concentration on the time it takes for a reaction to go to completion. Two colorless solutions are mixed and after a brief induction period, the resultant clear solution suddenly (abruptly) turns to a blue-black color. The…
The island of stability is that wondrous place where heavy isotopes of elements stick around long enough to be studied and used. The “island” is located within a sea of radioisotopes that decay into daughter nuclei so quickly it’s difficult for scientists to prove the element existed, much less use…
At the center of the Dome of the Rock sits a large rock, which is believed to be the location where Abraham was prepared to sacrifice his son Ismail (Isaac in the Judeo/Christian tradition). Today, Muslims believe that the Rock commemorates the night journey of Muhammad. The Dome of the…
The Doppler radar used in weather forecasting measures the direction and speed, or velocity, of objects such as drops of precipitation. This is called the Doppler Effect and is used to determine whether movement in the atmosphere is horizontally toward or away from the radar, which aides in weather forecasting.…
Lateral vessels supply all segments and organs in the earthworm’s body. After gas and nutrient exchange occurs, a small blood vessel in each segment returns blood from the ventral blood vessel to the dorsal blood vessel, thus closing the loop of the circulatory system. 1 The circulatory or blood vascular…
When the Emancipation Proclamation was announced, all current contraband, i.e. the slaves, were freed at the stroke of midnight. There was no offer of compensation, payment, or even a fair trade to the slave-owners. These slave-holders were suddenly deprived of what they believe to be property. What problems were raised…
It is one that many societies have attempted to address with varying degrees of success. Additionally, it is a written task where you are to identify and describe a historically significant challenge that has endured across time and has been addressed with varying degrees of success. Before looking at some…
It plays a vital role in keeping living things healthy in the environment. Likewise, it maintains the ecological balance that will keep check of life on earth. It provides food, shelter, air, and fulfills all the human needs whether big or small. Short Essay on Importance of Environment is usually…
Think about the equilibrium in the graph. It’s true that suppliers would like to charge a higher price. If they do so, there won’t be enough people willing to pay that price, and the quantity produced will not match the quantity demanded. On the other side, the demanders would like…
Why Is the Eucharist so Important? The Holy Eucharist is important because it represents the last meal that Christ had before being taken to the cross; it symbolizes Christ’s connection with people and allows people to see that everyone is invited to dine with Christ once they have been accepted…