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Nezavi [6.7K]
3 years ago
5

What is the meaning of sulfur in biology ​

Chemistry
2 answers:
Temka [501]3 years ago
5 0
a nonmetallic element that occurs either free or combined especially in sulfides and sulfates, is a constituent of proteins, exists in several allotropic forms including yellow orthorhombic crystals, resembles oxygen chemically but is less active and more acidic, and is used especially in the chemical and paper ...
AleksandrR [38]3 years ago
5 0

Answer:

a nonmetallic chemical element that is an essential element for all life, resembles oxygen in chemical properties, and is used especially in the form of sulfuric acid to extract phosphates from ores.

Explanation:

Hope this helped

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Calcular la cantidad de NaOH necesaria para preparar medio litro de disolución 2,5 N. (Dato: peso molecular del NaOH = 40 g/mol)
kolbaska11 [484]

Answer:

The amount of NaOH required to prepare a solution of 2.5N NaOH.

The molecular mass of NaOH is 40.0g/mol.

Explanation:

Since,

NaOH has only one replaceable -OH group.

So, its acidity is one.

Hence,

The molecular mass of NaOH =its equivalent mass

Normality formula can be written as:Normality=\frac{mass of solute NaOH}{its equivalent mass}  * \frac{1}{volume of solution in L} \\

Substitute the given values in this formula to get the mass of NaOH required.

2.5N=\frac{mass of NaOH}{40g/mol} *\frac{1}{1L} \\mass of NaOH=2.5N*40gmol\\                         =      100.0g

Hence, the mass of NaOH required to prepare 2.5N and 1L. solution is 100g

8 0
3 years ago
Which expression is equal to the number of grams in 2.43 kilograms
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1 kg = 1000g
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PLEASE HELP ME does a liquid have definite or indefinite shape.
andrezito [222]
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2 years ago
Which plastic do you think could best contain extremely corrosive material? PETE, LDPE, PVC, PS, PP, or HDPE.
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7 0
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What is the main component of atoms that determines the type of bond that forms between atoms or compounds? Explain.
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