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How did Ingenhouze may have collected a 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.
The admission fee at the steamboat springs hot air balloon festival is 1.50 for children and 4.00 for adults. On a certain day 1130 people enter the festival and 2520 is collected. How many children?
What you have here is a set of simultaneous linear equations. Let A be the number of adults and C be the number of children. A+C = 1130 ("1130 people enter the festival") and 4A + 1.5C = 2520 (based on the admission rates and the amount of money collected).RearrangingA = 1130 - C,Substitute for A to give4(1130-C) + 1.5C = 2520Multiply to give4520 - 4C + 1.5C = 2520Subtract 2520 from both sides to give-4C + 1.5C = -2000Actually do that addition and multiply by -1 to give2.5C = 2000At this point it's obvious thatC = 800.There are 800 children and 330 adults.
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).
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
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.
A 240 mL air sample collected at 35C has a pressure of 550 torr What pressure will the air exert if it is allowed to expand to 425 mL at 50C?
Rules and schools are tools for fools
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
How does an air sampling pump work?
An air sampling pump works by drawing in air through a sampling inlet using a diaphragm or piston mechanism. The air is then transported through a filter or collection media to trap particles or contaminants. The flow rate of the pump can be adjusted to control the sampling duration and volume of air collected for analysis.
Why must the container be stoppered for the gas to be collected?
The stopper prevents the gas from escaping into the surroundings, allowing it to be collected efficiently within the container. It also helps to ensure that the gas sample remains uncontaminated by outside air or particles. Additionally, a closed system with a stopper allows for accurate measurement and analysis of the collected gas.
Why hydrogen cant be collected by the downward displacement of air?
Hydrogen is lighter than air, which is why it rises upwards in the atmosphere. When collected by the downward displacement of air, the denser air prevents the lighter hydrogen from being fully collected as it continues to rise. This method is more effective for gases that are denser than air.
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.
