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Cerrena [4.2K]
3 years ago
13

Is 3Al + 3FeO → 2Al2O3 + 3Fe a balenced or unbalenced equation?

Chemistry
1 answer:
Murrr4er [49]3 years ago
8 0
3f+5=eo got it right
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Consider the following data:
VikaD [51]

∆H ° rxn =-2855.56 kJ

<h3>Further explanation</h3>

Given

ΔHf CO₂ = -393.5 kJ/mol

ΔHf H₂O = -241.82 kJ/mol

ΔHf  C₂H₆ = - 84.68 kJ/mol

Reaction

2C2H6(g) + 7O2(g) -> 4CO2(g) + 6H2O(g)

Required

ΔHrxn=

Solution

<em>∆H ° rxn = ∑n ∆Hf ° (product) - ∑n ∆Hf ° (reactants) </em>

∆H ° rxn = (4.-393.5+6.-241.82)-(2.-84.68)

∆H ° rxn = (-1574-1450.92)-(-169.36)

∆H ° rxn =-3024.92+169.36

∆H ° rxn =-2855.56 kJ

8 0
3 years ago
Read 2 more answers
The _______ force between each planet and the Sun keeps the planets in orbit around the Sun.
finlep [7]

Answer:

The <u>Force of Gravity</u>  force between each planet and the Sun keeps the planets in orbit around the Sun.

Explanation:

4 0
3 years ago
Give the products of the reaction of butanal, with: (a) sodium borohydride, in methanol (b) hydrogen cyanide, with catalytic cya
miss Akunina [59]

Answer:

Answers are given below

Explanation:

(a) Aldehyde groups are reduced by sodium borohydride in methanol to give alcohol.

So, butanal produces butanol on reaction with sodium borohydride in methanol.

(b) Aldehyde forms cyanohydrin when they are treated with HCN with catalytic cyanide.

(c) Aldehydes are oxidized by potassium dichromate in dil. sulphuric acid to produce carboxylic acid.

(d) Aldehyde produces acetal with methanol and a trace amount of acid catalyst.

(e) Aldehyde gives condensation reaction with CH_{3}CH_{2}NH_{2} to produce imine.

Structures of products for the given reaction has been shown below.

4 0
3 years ago
During which step in the pcr cycle do primers form bonds with a single-stranded template?.
shutvik [7]
Answer: The first steps

Explanation: science
5 0
3 years ago
When performing dimensional analysis, we usually use conversion factors. What is a conversion factor?
lora16 [44]

Answer:

A conversion factor is a variable that transforms the dimension of one variable into the terms of another variable.

Explanation:

Let be x and y two variables with diferent dimensions (units), r is a conversion if transforms the dimension of one variable into the terms of the other variable. That is:

y = r\cdot x (1)

Where:

x - Input, [input unit]

y - Output, [output unit]

r - Conversion factor, [output unit] per [input unit]

4 0
3 years ago
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