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Minchanka [31]
2 years ago
11

Insert the values from the question above for x, y, z, & n into KxFey(C204)z nH20 anod provide the correct coefficients to b

alance the following equation Fe(NH4 )2(SO4 )2.6H20+_H2C204+_K2C204+-H202 → K,Fey C204)z nH20+(NH4)2SO4+ H2S04+H20 (Hint: Remember H202, an oxidizing agent, was used in the synthesis, so you'll need to do a redox balance. Start with just the iron ions, balance the reaction, and then add the full formulas.)
Chemistry
1 answer:
vlada-n [284]2 years ago
8 0

Answer:

Explanation:

brainly is so gay i swear

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The compound methylamine, CH3NH2, is a weak base when dissolved in water. Write the Kb expression for the weak base equilibrium
Veronika [31]

Answer:

Kb = [CH₃NH₃⁺] × [OH⁻] / [CH₃NH₂]

Explanation:

According to Brönsted-Lowry acid-base theory:

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  • A base is a substance that accepts H⁺.

When methylamine reacts with water, it behaves as a Brönsted-Lowry base, according to the following reaction.

CH₃NH₂(aq) + H₂O(l) ⇄ CH₃NH₃⁺(aq) + OH⁻(aq)

The basic equilibrium constant (Kb) is:

Kb = [CH₃NH₃⁺] × [OH⁻] / [CH₃NH₂]

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3 years ago
Calculate the pressure exerted by an book of mass 20kg occupying an area of 2 m square.​
kotykmax [81]

The answer is 100 Pa.

The formula for calculating pressure is :

<u>Pressure = Force ÷ Area</u>

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We are given that :

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We also know that :

<u>Force = mass ×g</u>

<u />

So, force will be :

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Now, we can finally calculate pressure :

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What does the position of an element in the periodic table tell you?
loris [4]
They are in order according to their atomic number, so the position should tell you the atomic number. 
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Consider the reaction.
Kaylis [27]

Answer:

2.1 x 10^-2

Explanation:

Divide 8.4 x 10^-3 x 8.4 x 10^-3 by 5.82 x 10^-2 and you end up with 2.1 x 10^-2

7 0
3 years ago
When you put an ice cube into a glass of room temperature water, why does the water get cold?
mel-nik [20]
The water gets cold because the ice cube is endothermic. Which means it takes in heat. It takes the warmth from the water and melts the ice cube which the ice cube releases coldness which cools down the water.
6 0
2 years ago
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