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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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At which temperature do the molecules of an ideal gas have 3 times the kinetic energy they have at 32of?
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Answer:

  • 820 K

Explanation:

As per Boltzman equation, <em>kinetic energy (KE)</em> is in direct relation to the <em>temperature</em>, measured in absolute scale Kelvin.

  • KE α T.

Then, <em>the temperature at which the molecules of an ideal gas have 3 times the kinetic energy they have at any given temperature will be </em><em>3 times</em><em> such temperature.</em>

So, you must just convert the given temperature, 32°F, to kelvin scale.

You can do that in two stages.

  • First, convert 32°F to °C. Since, 32°F is the freezing temperature of water, you may remember that is 0°C. You can also use the conversion formula: T (°C) = [T (°F) - 32] / 1.80

  • Second, convert 0°C to kelvin:

         T (K) = T(°C) + 273.15 K= 273.15 K

Then, <u>3 times</u> gives you: 3 × 273.15 K = 819.45 K

Since, 32°F has two significant figures, you must report your answer with the same number of significan figures. That is 820 K.

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