In evaluating the effectiveness of pollution masks, three components should be evaluated: pollution filter, mask seal, and ventilation. Pollution filter: Pollution filters are typically given a rating of either N90, N95, N99, or N100. The rating states the percentage of particulate matter (> 0.3...
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...
Concentrations of various gases in airPOST a QUESTION or COMMENT about the constituents of air: concentrations of gases in airGases that make up outdoor air: this article provides a table of the components in outdoor air - a list of the various gases found in air by percentage.The...
To answer the question about which gas has the highest percentage in the air, we can follow these steps:Step 1: Identify the Components of Air Air is a mixture of different gases present in the atmosphere. The main components i
Weknow that, air contains the gases like nitrogen, oxygen, carbon dioxide and other trace gases. As our nose cannot filter oxygen from other gases, we inhale the same mixture of air. When we exhale out, the air with the same composition will be given out, but the percentage of carbon ...
If the percentage is high then the air becomes polluted. In this paper, we show the main gases in the Dhaka area. We collected the data for CO 2 , CO, SO 2 , O 3 , NH 2 , and PM 2.5 in Air for awarding about the pollution. The objective is to create public awareness through...
Household and outdoor particulate matter pollution was the main cause of death for more than 100,000 infants during the first month of their lives. A large percentage of these deaths were linked to the use of solid fuel biomass (charcoal, wood and dried dung cakes) used for cooking and hea...
To find the percentage of nitrogen in air, follow these steps:1. Understand the Composition of Air: Air is a mixture of different gases. The primary components of air include nitrogen, oxygen, argon, carbon dioxide, and trace g
T1T1— Temperature of gas 1; P1P1— Percentage of gas 1 in the reservoir; T2T2— Temperature of gas 2; and P2P2— Percentage of gas 2 in the reservoir. Remember — because these two gases are the only ones in the reservoir, the percentages P1P1 and P2P2 must add up to 100%. So...
The main gases are oxygen and nitrogen. The other gases are carbon dioxide,water vapour and a number of rare gases. Nitrogen occupies 78% and the other gases including carbon dioxide, water vapour and a number of rare gases occupy1% of the total volume of air. What percentage of the ...