Chapter 7 Lab Report Background Research pH is a measure of the potential hydrogen ion concentration of a solution. Solutions that have low pH’s or a ph level below 7 are considered acidic. Solutions that have a high pH level or above 7 are considered basic. The pH scale measures how acidic or basic a solution may be. Some examples of solutions that have high acidity and a low pH level are Battery acid, lemon juice, and vinegar. Some solutions that are basic and a high pH level are soapy water,
Introduction: Hydrogen sulfide (H2S) is the latest molecule added to the gasotransmitter group after nitric oxide (NO) and carbon monoxide (CO). Great attention has been given to H2S in the last few years with regards to its production, metabolism, physiological functions and clearance. H2S constitutes a sound example of science’s evolution based on research and development; since H2S has been named as a toxic gas since its discovery in 1713, and only in the late 80’s of the past century scientist
Introduction Hydrogen is proven to be the most efficient furl because of its abundance and the production of harmless bi-products as compared fossil fuel. Despite the abundance in its natural existence, Hydrogen can also be obtained through processes such as the electrolysis of water and methanol steam conversion. Hydrogen as a fuel is capable of the replacement of most of the other sources of energy. However, Hydrogen faces numerous obstacles to its entry into the economy and the utilization by
An Analysis On The Breaking Down Of Hydrogen Peroxide from Inorganic and Organic Catalysts By : Dakota Verrico Introduction The purpose of this lab was to observe/analyze the biochemical reactions caused by a catalyst and an enzyme that break down Hydrogen Peroxide (H202). H202 is made up of 97% water and 3% solution, thus giving it the name Hydrogen Peroxide. The first catalyst was Manganese Dioxide (MNO2), which is an inorganic catalyst. The second catalyst was Catalase which is
The effect of varying the substrate concentration of hydrogen peroxide on the rate of enzyme activity of catalase from potato peel. Aysha Shahimi, and Jianyi Liang Department of Biology, Glebe Collegiate Institute. Ottawa, Ontario Abstract: The purpose of this lab was to study the effect of varying the substrate concentration of Hydrogen peroxide (H2O2) on the rate of peeled potato catalase enzyme activity, on the decomposition of H2O2. This experiment was carried out by diluting the 6% H2O2 with
Hydrogen Cracking What is hydrogen cracking? It is probably the most talked about failure mechanism associated with the welding industry. It is also known as hydrogen induced cracking, (HIC); hydrogen assisted cracking, (HAC); cold cracking,(CC); delayed cracking, (DC); under-bead cracking, (UBC); and hydrogen embrittlement, (HE). HISTORY Hydrogen cracking of welds first became a major concern during the first part of the 20th century. Up until that time welding was experimented with, but
Lab Report Using a Chemical Titration to Measure Rate of Conversion of Hydrogen Peroxide to Water and Oxygen Overview: In this laboratory you will use a chemical titration to measure and then calculate the rate of conversion of hydrogen peroxide (HO) to water and oxygen using the enzyme catalase. Objectives: Before doing this exercise, you should understand: Ø the general functions and activities of enzymes Ø the relationship between the structure and function of enzymes Ø the concept
If the enzyme is put in a pH that is very different from the optimum pH, it can cause the enzyme to denature. Most enzymes have an optimum pH of around 7, which is fairly neutral. To ensure the experiment is a fair test, I will use the same pH of hydrogen peroxide in every test. Inhibitors - As mentioned earlier, enzymes have an active site specific to the substrate molecules. However, it is possible for other molecules similar to enzyme's substrate to bind with the enzyme's active site and therefore
Hydrogen, number one on the Periodic Table of elements, and the most common element on our planet Earth. It may come as a surprise to many, or maybe not at all, that hydrogen could be used as a form of fuel for things such as trucks and cars. It is no new news that Hydrogen can be used as a fuel, since it has been on rockets as they are pushed out of orbit. Now all we have to do is figure out a way to be able to use it in our everyday lives. The good thing about Hydrogen is that it can be used
Hydrogen ion gradients play a role in cellular respiration in the mitochondria an in photosynthesis in the chloroplasts (Wikipedia, n.d.). During cellular respiration, it is important to know, that hydrogen ions are pumped out of the matrix or out of the cytoplasm and that this creates a concentration gradient, which forces hydrogen ions back into the matrix or cytoplasm and forces ATP synthase into action. Therefore, hydrogen ions move across a semipermeable membrane to an electrochemical gradient