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nekit [7.7K]
4 years ago
12

Calculate each of the following quantities.

Chemistry
1 answer:
Rudik [331]4 years ago
4 0

Answer:

CHAPTER 2 ATOMS, MOLECULES, AND IONS Questions 16. ... A molecule has no overall charge (an equal number of electrons and protons are present). Ions ... The first sample of chloroform has a total mass of 12.0 g C + 106.4 g Cl + 1.01 g H ... SrF2 f. Al2Se3 g. K3N h. Mg3P2 72. a. mercury(I) oxide b. iron(III) bromide c.

Explanation:

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0.50 mol A, 0.60 mol B, and 0.90 mol C are reacted according to the following reaction
algol [13]

Reactant C is the limiting reactant in this scenario.

Explanation:

The reactant in the balanced chemical reaction which gives the smaller amount or moles of product is the limiting reagent.

Balanced chemical reaction is:

A + 2B + 3C → 2D + E

number of moles

A = 0.50 mole

B = 0.60 moles

C = 0.90 moles

Taking A as the reactant

1 mole of A reacted to form 2 moles of D

0.50 moles of A will produce \frac{2}{1} = \frac{x}{0.50}

thus 0.50 moles of A will produce 1 mole of D

Taking B as the reactant

2 moles of B reacted to form 2 moles of D

0.60 moles of B reacted to form x moles of D

\frac{2}{2} = \frac{x}{0.6}

x = 2 moles of D is produced.

Taking C as the reactant:

3 moles of C reacted to form 2 moles of D

O.9 moles of C reacted to form x moles of D

\frac{2}{3} = \frac{x}{0.9}

= 0.60 moles of D is formed.

Thus C is the limiting reagent in the given reaction as it produces smallest mass of product.

5 0
3 years ago
Determine the number of unpaired electrons expected for [Fe(NO2)6]3−and for [FeF6]3− in terms of crystal field theory.
arsen [322]

Answer:

A. One unpaired electron

B. 5 unpaired electrons

Explanation:

In A ,Fe is in +3 oxidation state and Electronic configuration- [Ar]3d5

And NO2 is a strong field ligand hence it causes pairing in t2g orbitals and results one unpaired electron in dZX orbital.

In B, also Fe is in +3 oxidation state but F is weak field ligand hence causes no pairing of Electrons hence it results 5 unpaired electrons with electronic configuration t2g^3 eg^2

7 0
3 years ago
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aniked [119]

Answer:

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Explanation:

this makes sense to me but im not sure.

8 0
3 years ago
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Magnesium fluoride contains only magnesium and fluorine. what is the formula for this compound
Phantasy [73]
The answer for this question is MgF2
6 0
3 years ago
The graph shows a student's data from an investigation about plant growth in five plants of the same type. Which is the best way
Daniel [21]
The best way to display this data for analysis would be a line graph because line graphs are used to track changes over short periods of time. when smaller changes exist. Line graphs can also be used to compare changes over the same period of time for more than one group.
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