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3 years ago

Balance the chemical equation hcl+ Naoh

Chemistry

1 answer:

sattari [20]3 years ago

6 0

Answer:

NaCL + H2O

Explanation:

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Electricity is created by the movement of _____.

bekas [8.4K]

Electrons would be the correct answer.

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3 years ago

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How do you determine if and ion has a noble-gasconfiguration?

Soloha48 [4]

Explanation:

Noble gas configuration is defined as the configuration which contains completely filled orbitals.

For example, oxygen atom when gain two electrons then it forms oxygen ion ( $O^{2-}$ ).

Atomic number of oxygen atom is 8 and so, its number of electrons will also be 8. But when it gain two electrons then it has total 10 electrons. Hence, electronic configuration of $O^{2-}$ is as follows.

$1s^{2}2s^{2}2p^{6}$

Since, there are completely filled orbitals in an $O^{2-}$ ions. Therefore, it means this ion has a noble-gas configuration.

Thus, we can conclude that any specie which shows completely filled orbitals will have noble-gas configuration.

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4 years ago

You are conducting a plant growth experiment and need to generate a solution with growth factor, auxin or indole-3-acetic acid.

Yuki888 [10]

Answer:

7,01 g of indole-3-acetic acid

Explanation:

The milimolar concentration (mM) is defined as the ratio of milimoles per Liter of solution. 400mM means 400mmoles / L that is the same of 0,4mol / L

100mL are 0,1L. Using these values:

0,1L × (0,4mol / L ) = 0,04moles of indole-3-acetic acid.

As the MW of the molecule is 175,2 g/mol:

0,04mol × (175,2g / mol) = 7,01 g of indole-3-acetic acid

Thus, you need 7,01 g of indole-3-acetic acid to generate your solution.

I hope it helps!

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4 years ago

What is the mass number for Iron-58?

andrezito [222]

Answer:

Explanation:

mass number of iron 58 is 58

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3 years ago

The octet rule is the basis for the stability of the atom. According to this rule, the outermost shell of the atom must contain

liubo4ka [24]

Answer:8

Explanation:

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3 years ago