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olasank [31]
3 years ago
8

I will give brainliest to first person who answers ,, Need help with 4&5

Chemistry
1 answer:
aleksandrvk [35]3 years ago
6 0

Answer:

4. Hydrogen atoms only need two electrons in their outer level to reach the noble gas structure of helium. Once again, the covalent bond holds the two atoms together because the pair of electrons is attracted to both nuclei. The hydrogen has a helium structure, and the chlorine an argon structure.

Explanation:

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Where is ocean water the densest?
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2. Calculate the pl of the following amino acids(use their Pka values) a. Arginine b. Glutamic acid of water an c. Asparagine d.
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<h2>♨ANSWER♥</h2>

pl (25*C)

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2 years ago
True or false? The molar mass of a gas determines the amount of kinetic energy of the gas.
HACTEHA [7]
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3 years ago
Question#31-32, I not sure and don’t know how to do,
LUCKY_DIMON [66]

Answer: 30. 7 moles SO3

31. 3 moles SO2 and 3 moles SO3

Explanation: To solve for this problem use the mole ratio of the substances involved in the reaction.

Solution for number 30:

3.5 moles O2 x 2 moles SO3 / 1 mole O2

= 7 moles SO3

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= 3 moles SO2

3 moles SO2 x 2 moles SO3 / 2 moles SO2

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8 0
3 years ago
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