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jeyben [28]
3 years ago
14

How you could use a microscope to determine if a simple was either a prokaryote or a eukaryote

Chemistry
2 answers:
Black_prince [1.1K]3 years ago
3 0
You could check if their cells had a nucleus or not. If it did it would be a eukaryote, if it did not then it would be a prokaryote.
qwelly [4]3 years ago
3 0

Defined as pre-nucleus, prokaryotes are cells that contain no membrane-based organelles, including a nucleus.

Mostly recognized as bacteria, two prokaryotic kingdoms exist: Monera or Bacteria and Archaea.

Seemingly simple in structure and markedly different from eukaryotic and protist organisms, many scientists believe prokaryotic cells were amongst the first on the Earth and very well may out-survive all other organisms.

http://www.microscopemaster.com/prokaryotes.html

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How many grams of h2 will be produced if 175g of HCI are allowed to react completely with sodium
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4.8 grams of H₂ will be produced if 175g of HCI are allowed to react completely with sodium

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By stoichiometry of the reaction (that is, the relationship between the amount of reagents and products in a chemical reaction) you can see that the following amounts in moles of each compound react and are produced:

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So, the molar mass of each compound participating in the reaction is:

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Then, by stoichiometry of the reaction, the following amounts in grams of each of the compounds participating in the reaction react and are produced:

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So, a rule of three applies as follows: if by stoichiometry, when reacting 72.9 grams of HCl 2 grams of H₂ are formed, when reacting 175 grams of HCl how much mass of H₂ will be formed?

mass of H_{2} =\frac{175 g of HCl*2g ofH_{2} }{72.9 g of HCl}

mass of H₂= 4.8 g

<u><em>4.8 grams of H₂ will be produced if 175g of HCI are allowed to react completely with sodium</em></u>

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