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romanna [79]
3 years ago
5

How does hydrogen bonding affect the physical properties of substances?

Chemistry
1 answer:
alekssr [168]3 years ago
4 0
The melting and boiling point depend on the strength of the ihydrogen bonds. Hydrogen bonding will cause the higher the melting and boiling points because more energy is needed to break bonds between molecules.
Hydrogen bonds affect solubility in water, molecules with hydrogen bonds dissolve better in water.
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How many H2O molecules are in 183.2 grams of H20 gas?
jek_recluse [69]

Answer: There are 61.24 \times 10^{23} molecules present in 183.2 grams of H_{2}O gas.

Explanation:

Given: Mass = 183.2 g

Number of moles is the mass of substance divided by its molar mass.

As molar mass of water is 18 g/mol. Therefore, moles of H_{2}O are calculated as follows.

Moles = \frac{mass}{molar mass}\\= \frac{183.2 g}{18 g/mol}\\= 10.17 mol

According to the mole concept, there are 6.022 \times 10^{22} molecules present in one mole of a substance.

Hence, molecules present in 10.17 moles are calculated as follows.

10.17 mol \times 6.022 \times 10^{23}\\= 61.24 \times 10^{23}

Thus, we can conclude that there are 61.24 \times 10^{23} molecules present in 183.2 grams of H_{2}O gas.

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What the answer question
Serga [27]

Answer:

it's a trigonal bipyramidial

Explanation:

because NH3 have 3 hydrogen atoms

4 0
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How many moles are in 260g of Al2(SO3)3 x 4H20
Basile [38]
M=260 g
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4 0
3 years ago
explain why it is easier to separate a solid from another solid compared to a liquid from another liquid
makkiz [27]

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it is because solid is.in a fixed shape so it is easier to separate a solid from another solid compared to a liquid from another liquid

4 0
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What stress will shift the following equilibrium system to the left? N2(g) + 3H2(g) ⇌ 2NH3(g)
oee [108]
<h3><u>Answer;</u></h3>

Decrease in pressure

<h3><u>Explanation;</u></h3>
  • If the pressure of a system is increased, the reaction will shift toward the side with fewer moles of gas, whereas when the pressure of a system is decreased, the reaction will shift toward the side with more moles of gas.
  • In this case; <em><u>If the pressure of the system with the above reaction decreases, the reaction will shift to the left. The reactants side has more moles of gas, so the reaction will shift toward the direction of the reactants.</u></em>
5 0
3 years ago
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