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Svetllana [295]
1 year ago
14

imagine an atmosphere exists that contains every element in the universe in its atomic, rather than molecular form. which elemen

t would move with the fastest average speed while in thermal equilibrium in the atmosphere?
Chemistry
1 answer:
love history [14]1 year ago
4 0

The element that would move with the fastest average speed while in thermal equilibrium in the atmosphere is hydrogen.

<h3>What is hydrogen?</h3>

Hydrogen (H) is a colorless, tasteless, odorless, flammable and gaseous substance that is the simplest member of the family of chemical elements. Hydrogen, with the atomic number 1, is the lightest chemical element in the universe. It is also the most abundant element in the universe.

A hydrogen atom has a nucleus consisting of a proton bearing a unit of positive electrical charge; an electron, bearing a unit of negative electrical charge, is also associated with this nucleus.

Learn more about hydrogen here: brainly.com/question/1426421

#SPJ4

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What do all substances in the universe have in common?
Dmitry [639]

Answer:

All are made of matter

Explanation:

7 0
3 years ago
Which of the following are behaviors of a gas that can be explained by the kinetic-molecular theory?
My name is Ann [436]

Answer:

b,c,d

Explanation:

gasses exert pressure, all particles of a gas sample move at the same speed. gas particles can exchange kinetic energy when they collide.

7 0
3 years ago
How many moles of O2 are required to generate 18 moles of H2O in the given reaction? 2C8H18 + 25O2 16CO2 + 18H2O
Veronika [31]
There's a slight error in your equation. I think you were trying to present it like this:

2C8H18 + 25O2 -> 16CO2 + 18H2O

Mole Ratio
O2 : H20
25 : 18
? moles : 18 moles
(18/18)×25 : 18 moles

25 moles : 18 moles

Final answer would be 25 moles of O2. :)

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I will do my utmost best to help you.
7 0
3 years ago
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Magnesium reacts with a certain element to form a compound with the general formula MgX. What would the most likely formula be f
ziro4ka [17]

Answer:K2X

Explanation: Valency can be defined as the combining power of an element. It is the valency that dictates the value an element will have when writing a chemical formula for its compound.

MgX is a compound of magnesium and an element X. The valency of magnesium in most of its compound is +2. Now for the 2 to have been absent in the chemical formula, this shows that the element X itself have a valency if -2 for the valencies of both to have canceled out.

Now considering the element potassium, it is an alkaline metal belonging to group 1 of the periodic table. Hence, it is expected that it has a valency of +1

Forming a compound with element X means there would be an exchange of valencies between the two. We have established that x has a valency of -2. The formula of the compound thus formed by exchanging the valencies of both element would be K2X

7 0
2 years ago
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The process in which the nucleus of an atom splits into two lighter atoms, releasing a large amount of energy, is nuclear .
IgorC [24]

It's nuclear fission

6 0
2 years ago
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