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Q: How didIgenhousz collect sample of dephlogisticated air?
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What is the mass of a sample aerogel?

That's going to depend on the size of the sample you have. A larger sample will have more mass than a smaller sample, much like virtually every other known substance. Aerogel is a synthetic porous material derived from a gel, in which the liquid component of the gel has been replaced with a gas. The result is a solid with extremely low density and thermal conductivity. It is nicknamed frozen smoke, solid smoke, solid air or blue smoke owing to its translucent nature and the way light scatters in the material; however, it feels like expanded polystyrene (styrofoam) to the touch. Various samples of aerogel may have densities anywhere between 1 mg/cm3 (less dense than air) to 2 mg/cm3 .


How do you think the density of heated air compares to the density of cooler air?

The density of heated air is less than the density of cooler air.


How many pounds of wheat is in a 55 gallon drum?

Unknown: 55 gal drum is a volume. This is the amount of volume this drum can hold. Gallon is a liquid measure, so, compounded with the fact that you don't know the mass or weight of the wheat, you don't have a dry measure. Are there air pockets? Is the wheat 100% dry? What is the mass of a given sample of wheat? After you answer these questions, just substitute for weight, and you will have your answer.


How can you calculat the specific gravity of air?

You could measure the weight of a recipient with air, and compare it to one without air (with a vacuum instead).


Why do chiller's using CFC-11 and HCFC-123 require purge units?

These refrigerants have higher boiling points than say R12 or R22. Thus when a machine using them operates the low side will run in a vacuum. So any low side leak points will suck in air rather than leak refrigerant out. A purge unit constantly samples the condenser gas and removes the air and water vapor which has been pulled in at these leaking points and periodically releases them to atmosphere while it condenses any refrigerant vapor picked up in the sample mix to a liquid and returns it to the machine.

Related questions

How did Ingenhousz collect a sample of dephlogisticated air?

use your brain


How did Jan ingenhousz collect a sample of dephlogisticated air?

No one knows


Why do scientists collect and test air samples?

Scientists collect and test air sample because they want to see how clean/polluted it is. Then they can raise awareness to people if needed.


What was dephologisticated air?

dephlogisticated air is oxygen gas; - so called by Dr. Priestly and others of his time.


What is the modern word for the gas produced by a plant to make dephlogisticated air?

Oxygen.


What did Joseph priestly find out dephlogisticated air?

Joseph Priestley discovered that what he called "dephlogisticated air" was in fact oxygen. This discovery challenged the prevailing theory of phlogiston, and laid the foundation for understanding the role of oxygen in combustion and respiration. Priestley's work on oxygen was crucial in the development of modern chemistry.


How do you think ingenhousz showed that it was dephlogisticated and not fixed air?

Ingenhousz demonstrated that oxygen (dephlogisticated air) was produced during photosynthesis by showing that plants release this gas in the presence of light. This was different from fixed air (carbon dioxide) because plants were observed to only release oxygen in the light, suggesting a direct relationship between the presence of light and the production of oxygen.


What is the man recognized Oxygen and hydrogen?

Joseph Priestley was the man who first discovered oxygen, or as he called it "dephlogisticated air", back in the 18th Century


What was the composition of priestley dephlogisticated air and Rutherford's phlogisticated air?

The facts, as they stand, are these: every creature, when respiring, releases phlogiston. In fact, respiration is simply to be considered a form of combustion. Anything that can burn contains phlogiston. Substances, when burnt, release this weightless, invisible substance - an element of their being, their composition - the phlogiston. The phlogiston is always in need of somewhere to go. Such as, air is best for the phlogiston. Air can absorb it. Taking this mode of thinking to its furthest logical conclusion we can only state that the reason creatures "suffocate" is because there is nowhere for the phlogiston to go. When air was removed from around a living creature then there is nowhere for the phlogiston to go and so respiration would cease and the creature dies.


Sample of a hydrosphere?

air


How does an air pump work?

An air sampling pump measures contaminants such as biological and environmental present in a sample of air. The sample of air is drawn into a tube which is attached to the pump. The air is vaporized and the particular contaminants presence is measured.


What do alveoli collect from the air you breathe?

oxygen