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evablogger [386]
2 years ago
6

Why does waters boiling point decrease with increases in elevation

Chemistry
2 answers:
Delvig [45]2 years ago
4 0

My friend, let's take an example

Say you have gone camping in the mountains. And that you meet a river on way up. From the river, you are going to take water because you know you will need it. So you took the water and continued the journey up. Now you have come to a high altitude. Now you are thirsty. We can't trust water so we boil it to kill germs and bacteria. You notice that the water has boiled quickly. Now the reason is that higher altitudes have low atmospheric pressure. So the boiling point decreases.

Now you might be wondering why I gave such a lengthy description. My aim is to tell the answer with some imagination so that it will get stuck in your head for a really long time so that you don't have to waste points and time.

Have a good day!

lesantik [10]2 years ago
3 0

Answer:

Waters' boiling point decreases with increases in elevation because of the atmospheric pressure.

For example, the higher in elevation you are. The lower the atmospheric pressure is. In other words heated water reached boiling point quicker.

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Explanation:

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calculate the number of coulombs of positive charge in 250cm 3 of (neutral) water. (hint: a hydrogen atom contains one proton; a
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Number of coulombs of positive charge in 250cm^3 water is 1.3×10^7 C

The volume of 250 cm^3 corresponds to a mass of 250 g since the density of water is 1.0 g/cm^3

This mass corresponds to 250/18 = 14 moles since the molar mass of water is 18. There are ten proton (each with charge q = +e) in each molecule of H_{2}O So,

Q = 14NA  q =14(6.02×10^23)(10)(1.60×10^−19C) = 1.3×10^7 C.

Mass is the quantity of matter in a physical body. It is also a measure of the body's inertia, the resistance to acceleration when a net force is applied. An object's mass also determines the strength of its gravitational attraction to other bodies.

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3 0
1 year ago
Do metals form are anions or cations?
goldfiish [28.3K]

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The alkaline earth metals (IIA elements) lose two electrons to form a 2+ cation.

Aluminum, a member of the IIIA family, loses three electrons to form a 3+ cation.

Therefore, metals in the s and p block of the periodic table have 1, 2 or 3 electrons in their outermost orbit (or valence shell). Now to gain a stable octet metals lose either 1, 2 or 3 electrons from the valence shell thus forming cation with +1, +2 or +3 charge.

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