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LuckyWell [14K]
3 years ago
12

Help me please please someone help me please

Chemistry
2 answers:
poizon [28]3 years ago
6 0

Under Control

Independent Variable

Dependent Variable

Constant Through It All

love history [14]3 years ago
4 0

Some characteristics include: a question, hypothesis, procedure, results, and conclusion, data.

-I haven't done science in while, but that should be it. BTW it is not in order

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Match each lab incident to the item of PPE that will protect you from it. Each item of PPE will only be used once.
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3 years ago
What is 2n^2 rule ( of science)​
lozanna [386]

2n² rule:

This rule is used to determine number of electrons in particular shell.

n=1 means K shell

n=2 means L shell

n=3 means M shell

n=4means N shell

The first K shell can hold upto 2 electrons, L shell can hold up to 8, third M shell can hold up to 18and the fourth N shell can hold upto 32 electrons. This rule of arrangement of electrons according to the shell is known 2n2 rule where n means number of shell.

For example: There is one proton in the nucleus of hydrogen atom, which moves in K shell path. It has no neutron.

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3 years ago
28. Which set of coefficients will balance this chemical equation?
Makovka662 [10]
2021 hoped I helped you god bless you
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3 years ago
Give another mixture of liquids that is separated on an industrial scale by fractional
iren [92.7K]

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3 years ago
The law of conservation of mass is applicable to
katrin2010 [14]

Answer:

The law of conservation of mass states that in a closed system, mass is neither created nor destroyed during a chemical or physical reaction. The law of conservation of mass is applied whenever you balance a chemical equation.

Explanation:

According to the law of conservation of mass, the mass of the products in a chemical reaction must equal the mass of the reactants.

The law of conservation of mass is useful for a number of calculations and can be used to solve for unknown masses, such the amount of gas consumed or produced during a reaction.

It is applicable in a chemical when the the mass of the products in a chemical reaction is equal to  the mass of the reactants.

But it is not applicable in a nuclear fusion as some of the mass is generated as energy.

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