Monday, February 17, 2020

Chemistry Lab Report Example | Topics and Well Written Essays - 1500 words

Chemistry - Lab Report Example 31). Since acids and bases readily react with each other, it is experimentally quite easy to find the amount of acid in a solution by determining how many moles of base are required to neutralize it. This operation is called titration, and you should already be familiar with it from your work in the Laboratory (Harris 2006, Pg. 06). We can titrate an acid with a base, or a base with an acid. The substance whose concentration we are determining is the substance being titrated; the substance we are adding in measured amounts is the titrant. The idea is to add titrant until the solution has been exactly neutralized; at this point, the number of moles of titrant added tells us the concentration of base (or acid) in the solution being titrated (Harris 2006, Pg. 8). In this schematic reaction, base1 is conjugate to acid1, and acid2 is conjugate to base2. The term conjugate means â€Å"connected with†, the implication being that any species and its conjugate species are related by the gain or loss of one proton. The Arrhenius view of an acid is a substance that dissociates in water to produce a hydrogen ion. There is a serious problem with this, however: the hydrogen ion is no more than a proton, a bare nucleus. Although it carries only a single unit of positive charge, this charge is concentrated into a volume of space that is only about a hundred-millionth as large as the volume occupied by the smallest atom. Owing to its extremely small size, the proton will be attracted to any part of a nearby atom or molecule in which there is an excess of negative charge. Such places exist on any atom that possesses non-bonding electrons, and here that protons attach themselves to the acceptor atom by forming a shared-electron (coordinate) bond with the lone pair (Silbey 2006, Pg. 42). Interestingly, experiments indicate that the proton does not stick to a single H2 O molecule, but changes

Monday, February 3, 2020

Monetary policy in china Coursework Example | Topics and Well Written Essays - 1500 words

Monetary policy in china - Coursework Example The money market of China is considered as an indicator for funding to the financial institutions and to the smaller banks existing in the economy. The financial system plays an important role in the growth and expansion of China. The economy of china is being considered as the second largest economy of the world. The financial system of China is mainly dominated by the banking sector. The banking sector contributes more than three fifth of its credit to the private sector. The main source of the economic growth of China is from the banking sector. The financial system of China has also undergone modifications with the end of monopoly in the banking sector of the country. The banking system of China mainly constitutes two third of the financial asset of the financial system. The financial intermediaries’ plays a crucial role in the financial system of the country. The four state owned banks of China mainly dominate the market. The household savings are conducted by the financial intermediaries under the pressure of the government of China. The monetary policy of China is very complex. In order to facilitate the growth an d development in the economy, the Central bank of china has invested cash in the financial system. The interest rates this country are almost zero therefore the central bank of the country has to switch to lower funding cost. The article reflects on the economic growth of China. China is experiencing a slowdown in the economic growth and development in the recent years. The growth has decreased to more than 7% in the first quarter. China has been experiencing a slowdown in its economy since 2009. But it has gained momentum in the recent years. This situation has created more pressure on the Central bank of the country to ease its fiscal and monetary policy. The cut in the interest rate has affected the liquidity position of the economy which has