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Oksana_A [137]
2 years ago
9

You have made use of the Le Chatelier principle in this lab. Explain how the Le Chatelierprinciple is used to help formation of

the product in the reaction you performed in this lab, AND, WHY it isnecessary to make use of the Le Chatelier principle to help this reaction to "go".
Chemistry
1 answer:
Eddi Din [679]2 years ago
3 0

Answer:

CHALLENGE ACCEPTED!

Explanation:

Basically, Le Chatelier's principle is the equilibrium law used to predict the effect of a change in conditions on some chemical equilibra. It is often used to increase the yield of reactions.

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What is the energy change that will occur when 25.5 grams of oxygen gas (O2) react with excess methane (CH4) according to the re
AysviL [449]
Amount of CH4 is excess, so no need to worry about it 
<span>but the limiting factor is the Oxygen </span>

<span>according to stranded equation, </span>

<span>CH4 + 2 O2 --> CO2 + 2 H2O ΔH = -889 kJ/mol </span>


<span>just by taking proportions </span>

<span>(-889 kJ/mol) / 2 x 0.8 mol = - 355.6 kJ </span>

<span>so i think the answer is (a)</span>
7 0
3 years ago
Classify the following reaction: 2H2O 2H2 + O2
Likurg_2 [28]
Synthesis i do believe 

6 0
3 years ago
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When I2 and FeCl2 are mixed together, iodine (I) cannot replace chlorine (Cl) in the compound because iodine is lower on the per
andrezito [222]

The given statement is True.


This is single replacement reaction.

As reactivity decreases down the group,

Iodine is less reactive than Chlorine.  

And so Iodine cannot replace chlorine from FeCl2.

I2 + FeCl2 ---> no reaction (Iodine is less reactive than chlorine)

7 0
2 years ago
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Write the empirical formula for at least four ionic compounds that could be formed from the following ions:
CaHeK987 [17]

Answer:

Fe(CN)₂,  FeCO₃,  Pb(CN)₄,  Pb(CO₃)₂

Explanation:

Cations (positively charged ions) can only form ionic bonds with anions (negatively charged ions). However, you can't just simply put one cation and one anion together to form a compound. Each compound needs to been neutral, or have an overall charge of 0. When cations and anions do not have charges that perfectly cancel, you need to modify the amount of each ion in the compound.

1.) Fe(CN)₂
-----> Fe²⁺ and CN⁻

-----> +2 + (-1) + (-1) = 0

2.) FeCO₃

-----> Fe²⁺ and CO₃²⁻

-----> +2 + (-2) = 0

3.)  Pb(CN)₄

-----> Pb⁴⁺ and CN⁻

-----> +4 + (-1) + (-1) + (-1) + (-1) = 0

4.) Pb(CO₃)₂

-----> Pb⁴⁺ and CO₃²⁻

-----> +4 +(-2) + (-2) = 0

5 0
1 year ago
Manganese, Mn, forms two ions, one with a 2+ charge and one with a 3+ charge. What is the formula for manganese (II) sulfide?
maria [59]
It would be MnSO4

The (II) lets you know it’s the form with a 2+ charge and Sulfate has a 2- charge

These will cancel out making it plain MnSO4

If it was manganese (iii) sulfide the answer would be Mn2(SO4)3
4 0
3 years ago
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