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3 years ago

What is produced during the replacement reaction of Cu(NO3)2 and Zn?

Chemistry

2 answers:

Sidana [21]3 years ago

5 0

Zn(NO3)2 + Cu will be the result of this single displacement (replacement) reaction :))

kifflom [539]3 years ago

5 0

Answer:

ZnNO3 = Cu

Explanation:

I got it right on quiz

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Calculate the mass (in grams) of 250mL of ether at 25 oC. The density of

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Volume=250mL
Density=0.71g/ml

$\boxed{\sf Density=\dfrac{Mass}{Volume}}$

$\\ \sf{:}\implies Mass=Density(Volume)$

$\\ \sf{:}\implies Mass=0.71(250)$

$\\ \sf{:}\implies Mass=177.5g$

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2 years ago

Which of the following is a type of matter

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3 years ago

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Why is potassium less reactive than silver

Reika [66]

Because potassium is a gas that can evolve

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3 years ago

What is the ph of a solution labeled .30 trimethylamine k for trimethylamine is 7.42 x 10^4

valentina_108 [34]

Answer:the pH is 12

Explanation:

First We need to understand the structure of trimethylamine

Due to the grades of the bond in the nitrogen with a hybridization sp3 is 108° approximately, then is generated a dipole magnetic at the upper side of the nitrogen, this dipole magnetic going to attract a hydrogen molecule of the water making the water more alkaline

C3H9N+ H2O --> C3H9NH + OH-

$k=\frac{[C3H9NH]*[OH-]}{[C3H9N]}$

Then:

The concentration of the trimethylamine is 0.3 and the concentration of the ion C3H9NH is equal to the OH- relying on the stoichiometric equation. We could find the concentration of the OH- ion with the square root of the multiplication between k and the concentration of trimethylamine

[OH-]= $\sqrt{ 0.3*7.42x10^{-4}}$

[OH-]=0.01

pH=14-(-log[OH-])

pH=12

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3 years ago

What is protons most common ion

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