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3 years ago

Elaborate on whether this structural diagram represents an element or a compound.

Chemistry

2 answers:

Galina-37 [17]3 years ago

6 0

Answer: The correct answer is option A.

Explanation:

A compound is defined as the substance in which two different elements combine in a fixed ratio. Example: $H_2O, CO_2$ etc..

An element is defined as the simplest substance having same type of atoms. Example: Carbon (C), Oxygen (O) etc..

Allotrope is defined as a property of some elements in which they are exist in different physical forms. Examples: Allotropes of carbon are graphite, diamond etc..

In a given image, the molecule is made up of two different types of elements which are hydrogen and carbon. Hence, it is termed as a compound named as ethane.

Thus, the correct answer is Option A.

agasfer [191]3 years ago

4 0

The compound is made up of multiple atoms.

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4 years ago

50.0kg of nitrogen and 10.0kg 0f hydrogen are mixed to produce ammonia . calculate the ammonia formed, identify the limiting rea

Nana76 [90]

Answer:

Nitrogen is limiting reactant and 30.4kg of ammonia can be formed

Explanation:

Nitrogen, N₂, reacts with hydrogen, H₂ to produce ammonia, NH₃, as follows:

2N₂ + 3H₂ → 2NH₃

Where 2 moles nitrogen reacts with 3 moles of hydrogen to produce 2 moles of ammonia

To solve this question we must find the moles of each reactant in order to find limiting reactant. With limiting reactant we can find the moles and the mass of ammonia formed as follows:

Moles N2 -Molar mass: 28g/mol-

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Moles H2 -Molar mass: 2g/mol-

10000g * (1mol / 2g) = 5000 moles H2

For a complete reaction of 5000 moles H2 are needed:

5000 mol H2 * (2mol N2 / 3mol H2) = 3333 moles N2. As there are just 1786 moles, Nitrogen is limiting reactant

The moles of ammonia that can be produced are 1786 moles because 2mol N2 = 2moles NH3.

The mass of ammonia -Molar mass NH3: 17g/mol- is:

1786 moles NH3 * (17g / mol) = 30362g =

30.4kg of ammonia can be formed

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Bbbbbbbbbbbbbbbbbbbb

padilas [110]

Lol now way he answers this

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