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What else can I help you with?
What is the simplest substance found on earth?
the simplest substance is air
What is the name of a substance formed by burning hydrogen and ethanol in air?
what is the substance formad when burning both hydrogen and ethanol in the air
Is air an example of pure substance?
No. Air is not pure substance. Air has all dust and dangerous gases with it. From place to place its composition changes.
What is the weakest substance?
air
Is clean air a mixture or a pure substance?
Air is a mixture.
What fog is made of what substance alreadypresent in the air?
it is energy air
When substance burn in air what does it produce?
When a substance burns in air, it typically produces carbon dioxide and water vapor, along with any other byproducts specific to the substance being burned. The reaction of the substance with oxygen in the air releases energy in the form of heat and light.
Is air a example of an substance?
Yes
What waste substance is in the air that is exhaled?
For humans, the waste substance is carbon dioxide.
Does hot air cool faster then cool air?
The rate of cooling is affected by the temperature difference between the warm substance (air in this case) and the substance that is gaining that heat. If they are close in temperature there will not be as fast am exchange of heat. If the warm air and the cool air in the question are being cooled by transferring their heat to a substance at a set temperature, then the warmer air will cool faster, because it has a bigger temperature differential from the substance than does the cooler air.
Is liquid plus air a pure substance?
No. To start with, air is not a pure substance, and mixiong it with something else just makes it worse.
What important substance is in the air you inhale?
oxygen
