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Mekhanik [1.2K]
3 years ago
8

Please!mdndjfjfhdjcjff

Chemistry
1 answer:
Oksanka [162]3 years ago
5 0
For the first one, the elements that make up water is H2O. 

Hydrogen and oxygen bond together due to the number of electrons in their orbitals. So it would be labeled two hydrogen and one oxygen. 

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I've been waiting for like 10 mins. Please answer this.
Degger [83]

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3 years ago
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djyliett [7]

Answer:

5

Explanation:

NH4OH

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<span>Tf is the freezing point of the solution(the solvent plus solute). T*f is the freezing point of the pure solvent(without solute) i is the van't Hoff factor.It is approximately the number of particles in solution that are made for each particle of the solute that is placed into solution.Therefore, for nonelectrolytes, i = 1. Kf is the freezing point depression constant.For water, Kf = 1.86 Degree C/m, or 1.86 Degree C.kg/mol. Tf is -1.58 Degree C</span>
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3 years ago
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VARVARA [1.3K]
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Thermal food sterilization and pasteurization are the most widespread preservation technologies to extend food shelf life by inactivating microorganisms and enzymes that can deteriorate foodstuffs.

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