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Alex73 [517]
2 years ago
7

What is the relationship between melting/boiling point and intermolecular forces

Chemistry
1 answer:
sattari [20]2 years ago
8 0
Boiling points are a measure of intermolecular forces. The intermolecular forces increase with increasing polarization of bonds. Boiling point increases with molecular weight, and with surface area.
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The atomic mass of calcium is calculated by adding the mass (amount) of
3241004551 [841]

Answer:

B. Protons and Neutrons

6 0
2 years ago
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Mn2+(aq) + nabio3(s) → bi3+(aq) + mno4−(aq) + na+(aq) how many water molecules are there in the balanced equation (for the react
stiks02 [169]
<span>
Mn²⁺ + 4H2O -----> MnO4⁻ + 8H⁺ +5e⁻                  /*2
<span>NaBiO3 +6H⁺ +2e⁻ -----> Bi³⁺ + Na⁺ + 3H2O        /*5
</span>2Mn²⁺ + 5 NaBiO3+8H2O+30H⁺ --->  2MnO4⁻ +5Bi³⁺ + 5Na⁺ +16H⁺ +15H2O

</span>2Mn²⁺ + 5 NaBiO3+14H⁺ --->  2MnO4⁻ +5Bi³⁺ + 5Na⁺  +7H2O

There are 7 water molecules in this reaction.
4 0
3 years ago
Read 2 more answers
1.What zodiac sign is October 19,2006?<br> A). Sagittarius<br> B). Libra<br> C). Leo<br> D). Pisces
MrMuchimi

Answer:

B. Libra

Explanation:

Libra's range from September 23rd to October 22nd

5 0
3 years ago
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How do you determine if something is extensive or intensive
Shalnov [3]

Answer:

Intensive properties do not depend on the quantity of matter. Examples include density, state of matter, and temperature. Extensive properties do depend on sample size. Examples include volume, mass, and size.

Explanation:

Brainly!!!

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3 0
3 years ago
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How much water (H2O ) would form if 4.04 g of hydrogen (H2) reacted with 31.98 g of oxygen (O2 )?
Norma-Jean [14]

Answer:

Mass = 36 g

Explanation:

Given data:

Mass of water formed = ?

Mass of hydrogen = 4.04 g

Mass of oxygen = 31.98 g

Solution:

Chemical equation:

2H₂ + O₂   →   2H₂O

Number of moles of hydrogen:

Number of moles = mass/molar mass

Number of moles = 4.04 g/ 2 g/mol

Number of moles = 2.02 mol

Number of moles of oxygen:

Number of moles = mass/molar mass

Number of moles = 31.98 g/ 32 g/mol

Number of moles = 1.0 mol

Now we will compare the moles of water with hydrogen and oxygen.

                O₂         :         H₂O

                 1           :           2

                H₂         :         H₂O

                 2          :          2

               2.02       :      2.02

Number of moles of water formed by oxygen are less thus oxygen will limiting reactant.

Mass of water:

Mass = number of moles × molar mass

Mass = 2 mol × 18 g/mol

Mass = 36 g

8 0
2 years ago
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