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ivanzaharov [21]
3 years ago
11

A resting object exerts pressure equals to

Chemistry
1 answer:
larisa86 [58]3 years ago
5 0
The weight of the object divide by the area of contact
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An atom from the column 1 can form an iconic compound with another from column 18
Lyrx [107]
The Answer is False





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2 years ago
What is the relationship between an atom and a molecule?
musickatia [10]

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Atoms are given a different weight based on the number of protons and neutrons in the nucleus and electrons in the surrounding cloud. The same electromagnetic force that keeps a single atom together can also hold two or more atoms together to form a molecule, while numerous molecules join together to form matter.Apr 25, 2017

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4 0
3 years ago
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Strontium sulfate becomes less soluble in an aqueous solution when sodium sulfator is added because
horsena [70]

Answer:

The addition of sulfate ions shifts equilibrium to the left.

Explanation:

Hello!

In this case, according to the following ionization of strontium sulfate:

SrSO_3(s)\rightleftharpoons Sr^{2+}+SO_4^{2-}

It is evidenced that when sodium sulfate is added, sulfate, SO_4^{2+} is actually added in to the solution, which causes the equilibrium to shift leftwards according to the Le Ch athelier's principle. Thus, the answer in this case would be:

The addition of sulfate ions shifts equilibrium to the left.

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7 0
2 years ago
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Please help me with this question
vampirchik [111]

Remember that

  • For being a bond covalent ∆E<1.8
  • For being a bond ionic ∆E>1.8

#1

  • ∆EN=0.5

Carbon is present so it's covalent

#2

  • OH bond is also covalent

#3

  • P-H will hardly form a bond

#4

  • Ionic bond

#5

  • Ionic bond
7 0
1 year ago
Use the periodic table to find the molar mass of
Naddika [18.5K]

I can give you a clue of getting mass. if it is the atomic number is even multiply by 2 but if the atomic number is odd multiply by 2 and add 1

sodium atomic number = 11 so mass = 11*2 +1 = 23

oxygen. atomic number = 8 so mass = 8*2 = 16

carbon atomic number = 6 so mass = 6*2 = 12

3 0
3 years ago
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