4 Air is a mixture of gases.(a)State the percentage of clean dry air which is oxygen. Give your answer to the nearest whole number...%[1](b)Oxygen and nitrogen are useful gases that can be obtained from air.(i) Name the process used to separate oxygen and nitrogen from liquid air...
Lab Investigation #3 Finding the Percentage of Oxygen in the Atmosphere Background: The atmosphere of the Earth is composed of a mixture of gases. The two most abundant gases are nitrogen and oxygen. Oxygen also appears in the Earth’s crust combined with other elements to form minerals. In...
How much is the normal temperature of the human body? is the most abundant chemical compound in the human body. The most abundant element by weight in the human body is a. carbon. b. hydrogen. c. oxygen. d. nitrogen. What is the percentage of CO2 in the atmosphere ...
Step-by-Step Solution:1. Understanding the Composition of Air: - Air is composed of various gases, primarily nitrogen (about 78%) and oxygen (about 21%), along with small amounts of other gases like carbon
The greenhouse gas that has the highest percentage in the atmosphere is water vapor. Water vapor is water in gas form, and it is the most abundant of...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer ...
provides enough energy to split nitrogen molecules and stimulate the formation of nitrates -- molecules with nitrogen and oxygen molecules. Bacteria, decomposing animal manure and internal combustion engines are also sources of energy that produce nitrogen compounds that can end up in the atmosphere. ...
While the biological cycling of nitrogen is very important in the ocean, it has only a slight effect on the amount of nitrogen gas in sea water. Nitrogen in ocean waters is within 5 percent of equilibrium with the atmosphere. SEE ALSO Algal Blooms in the Ocean ; Carbon Dioxide in the ...
Nitrogen It is the major component found in the air. It is the most abundant gas on the earth’s planet too. It is required by plants and animals for their growth. The circulation of nitrogen between these organisms and the atmosphere is called the nitrogen cycle. ...
Note that the negative values do not represent a negative absolute pressure. A gas having a negative pressure relative to the atmosphere is called vacuum. By definition there are four levels of vacuum, depending on the size of the negative relative pressure: rough vacuum fine vacuum high vacuum...
Samples were heated from room temperature to 500°C in nitrogen atmosphere. Difference in decomposition, thermal transition and ash content are analyzed. 2.2.5. Transmission Electron Microscopy (TEM) TEM images of neat nanoclay were taken by depositing clay powder on a standard 400 grid copper ...