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xz_007 [3.2K]
4 years ago
8

The bonds that are broken when water vaporizes are

Chemistry
2 answers:
Bumek [7]4 years ago
7 0
It's b. hydrogen bonds between water molecules
Irina18 [472]4 years ago
7 0

Answer:

b. hydrogen bonds

Explanation:

Hydrogen bonds are very weak and can break with low heat.

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The photograph shows hexagonal basalt columns on a mountain that formed from a volcanic eruption in Iceland. Which of the follow
JulsSmile [24]

Lava that formed in these columns of Iceland is basaltic lava.

<h3>What is molten basaltic lava?</h3>

The Icelandic type causes the effusions of molten basaltic lava that flow from long, parallel fissures. Such outpourings produce lava plateaus. mountain type of mountains are formed due to such type of eruption of lava. The mountain was formed when the eruption occur under the ice sheet. Basaltic lava is another name of mafic lava. Mafic lava is molten rock that contain iron, magnesium and lower amount of silica. When mafic lava cools on the earth's surface, it produces basalt.

So we can conclude that Lava that formed in these columns of Iceland is basaltic lava.

Learn more about lava here: brainly.com/question/4871898

#SPJ1

6 0
2 years ago
Calculating the expected pH of the buffer solution: Given that the pKa for Acetic Acid is 4.77, calculate the expected pH of the
ser-zykov [4K]

Answer:

pH=4.77

Explanation:

From the question we are told that:

pKa for Acetic Acid pK_a= 4.77

Therefore

For Equal Concentration of acetic acid and acetatic ion

CH_3COOH=CH_3COO^-

Generally the Henderson's equation for pH value is mathematically given by

pH=pK_a+log\frac{base}{acid}

pH=4.77+log\frac{CH_3COO^-}{CH_3COOH}

pH=4.77+log1

pH=4.77

5 0
4 years ago
What is the molar mass of potassium nitrate, KNO3
Nostrana [21]

101.1032 g/mol

Hope this helps!

5 0
3 years ago
A student walks 2 km in 30 minutes. What is the student’s average speed in km/h?
solmaris [256]
4 Km/Hr so.... 2/30=4/60
3 0
3 years ago
How many orbitals are there in the n = 4 level of the h-atom?
Nikolay [14]

The H-atom has fourth energy level with n=4.

This energy level can have values of orbital angular momentum l = 0, 1, 2, 3

Now each l can also have magnetic momentum ml from – l to l.

Therefore,

l = 0

<span>ml = 0 </span>

l = 1

ml = -1, 0, 1

l = 2

ml = -2, -1, 0, 1, 2

l = 3

ml = -3, -2, -1, 0, 1, 2, 3

Now adding up all the number of ml’s will give us the total number of orbitals:

orbitals = 1 + 3 + 5 + 7

orbitals = 16

 

Alternatively, we can simply use the formula:

<span>orbitals = n^2 = 4^2 = 16</span>

8 0
3 years ago
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