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Gala2k [10]
4 years ago
9

Please help!!

Chemistry
1 answer:
kirill [66]4 years ago
6 0

Im interested in solar energy.

The career area that is interesting is pure research into new science.

How does a scientist use solar energy in pure research to develop new ways in science?

What is pure research?

How can a scientist get solar energy?

What does a scientist do in pure research?

When do scientist know they found a new way?

How can they propose the new way of science?

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How many elements are on the Periodic Table
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That really depends on the age of the periodic table you’re referring to. Mendeleev’s original periodic table had only 50 elements. Today, the most modern Periodic table has 118 elements.
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3 years ago
How many grams of carbon dioxide are produced when 16.0
Kobotan [32]

Mass of CO₂ = 33 g

<h3>Further explanation  </h3>

Complete combustion of Hydrocarbons with Oxygen will be obtained by CO₂ and H₂O compounds.  

If O₂ is insufficient there will be incomplete combustion produced by CO and H and O  

Reaction

CH₄ + 2O₂⇒CO₂ + 2H₂O

mol CH₄ :

\tt =\dfrac{16}{16}=1

mol O₂ :

\tt =\dfrac{48}{32}=1.5

A method that can be used to find limiting reactants is to divide the number of moles of known substances by their respective coefficients

\tt CH_4:O_2=\dfrac{1}{1}:\dfrac{1.5}{2}=1:0.75

Because O₂ ratio smaller then O₂ becomes the limiting  reactants

So mol CO₂ from limiting reactants

mol CO₂ :

\tt \dfrac{1}{2}\times 1.5=0.75

mass CO₂ :

\tt mass=mol\times MW=0.75\times 44=33~g

7 0
3 years ago
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What is the state of matter for the outer core?
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The main difference between gases and liquids is that in gases A.the molecules are moving faster b.the forces between molecules
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used to complete the glicolisis process

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If during this process the cell need to enter into another metabolic process (pentose ways) then the gain of ATP deplets.

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