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2 years ago

In an endothermic reaction which bonds are stronger? The reactants or products? Explain

Chemistry

1 answer:

Marina86 [1]2 years ago

6 0

reactants because it had other chemicals, when more are mixed it will be more stronger.

It is the correct answer

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Milk of magnesia has the chemical formula Mg(OH)2. What is the mass of 3.2 moles of milk of magnesia? The molar Mass of magnesiu

GenaCL600 [577]

To calculate the mass of milk of magnesia given, we need certain data like molar mass of the compound which needs the atomic mass of the atoms in the compound. We calculate as follows:

Molar mass of <span>Mg(OH)2 = 24.3 g/mol + (2 x (16 + 1.0)) = 58.30 g/mol

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3 years ago

Which of the following statements is true?

liubo4ka [24]

Answer:

a is the anwser

Explanation:

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2 years ago

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3 years ago

3. What mass of copper could be deposited from a copper(II) Sulphate solution using a current of 5.0 A over 100 seconds? ( F =96

arsen [322]

Mass of copper : 0.165 g

<h3>Further explanation</h3>

Given

5.0 A over 100 seconds

Required

Mass of copper

Solution

Faraday's law:

<em>The mass of the substance formed at each electrode is proportional to the electric current flowing in the electrolysis</em>

<em /> $\tt W=\dfrac{e.i.t}{96500}$ <em />

e = Ar / valence = eqivalent weight

i = current

t = time

W = weight

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Cu ----> Cu²⁺ + 2e

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3 years ago