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monitta
2 years ago
5

What is the main function of the part labeled Y in the model?

Chemistry
2 answers:
Tanya [424]2 years ago
8 0

Answer

D

Explanation

<em>the</em><em> </em><em>answer</em><em> </em><em>is</em><em> </em><em>D</em>

castortr0y [4]2 years ago
8 0

Answer:

The answer is D.To use energy from sunlight to make sugars

Explanation:

Hope this helps <3

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mixture of atoms forms molecule

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harkovskaia [24]

Answer:

Moles of Hydrogen produced is 5 moles

Explanation:

The balanced Chemical equation for reaction between zinc and sulfuric acid is :

Zn(s) + H_{2}SO_{4}(aq) \rightarrow ZnSO_{4}(aq) + H_{2}(g)

This equation tells that ; when  1 mole of Zn react with 1 mole of sulfuric acid, it produces 1 mole of zinc sulfate and 1 mole of hydrogen.

Since sulfuric acid is in excess so Zinc is the limiting reagent

(Limiting reagent : Substance which get consumed when the reaction completes, limiting reagent helps in predicting the amount of products formed)

Limiting reagent (Zn) will decide the amount of Hydrogen produced

Zn(s) + H_{2}SO_{4}(aq) \rightarrow ZnSO_{4}(aq) + H_{2}(g)

1\ mole\ zinc\rightarrow 1\ mole\ H_{2}

So,

5\ mole\ zinc\rightarrow 5\ mole\ H_{2}

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2 years ago
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The density of tin is 7.31 g/cm? What is the mass of the sample pictured below?
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Nuclear power plants produce energy using fission. One common fuel, uranium-235, produces energy through the fission reaction 23
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Answer:

mass of U-235  = 15.9 g (3 sig. figures)

Explanation:

1 atom can produce -------------------------> 3.20 x 10^-11 J energy

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x = 4.06 x 10^22 atoms

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