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3 years ago

Write the chemical equation of in elements

Chemistry

1 answer:

Scilla [17]3 years ago

8 0

Answer : The balanced chemical reaction will be:

$CuO+H_2SO_4\rightarrow CuSO_4+H_2O$

Explanation :

As per question when copper(II) oxide react with sulfuric acid then it gives copper(II) sulfate and water.

This reaction is known as double displacement reaction in which cation of two reactants exchange their places to give two different products.

The balanced chemical reaction will be:

$CuO+H_2SO_4\rightarrow CuSO_4+H_2O$

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What do most of the elements on the left of the periodic table have in common

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Answer:

Each column is called a group. The elements in each group have the same number of electrons in the outer orbital. Those outer electrons are also called valence electrons. They are the electrons involved in chemical bonds with other elements

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3 years ago

Which equation represents a double replacement reaction

jek_recluse [69]

LiOH+HCL LiCL+H2O represents a double replacement reaction.

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3 years ago

Read 2 more answers

How many moles are there in 1.505 X 1024 molecules of water, H2O?

KATRIN_1 [288]

Answer:

2.5 moles

Explanation:

Nᴀ=6.02×10²³ (constant)

n=N/Nᴀ=

$= \frac{1.505 \times 10 ^{24} }{ {6.02 \times 10}^{23} } = 2.5 \: moles$

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3 years ago

What can be done to remove a magnetic force around an electromagnet

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D is to stop the current and the force can be removed

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3 years ago

You have dissolved 10 g sodium oxide in 200 ml water.calculate concentration of the solution

e-lub [12.9K]

Answer:

0.85 Molar Na2O

Explanation:

Determine the moles of sodium oxide, Na2O, in 10 grams by dividing by the molar mass of Na2O (61.98 g/mole).

(10 g Na2O)/(61.98 g/mole) = 0.161 moles Na2O.

Molar is a measure of concentration. It is defined as moles/liter. A 1 M solution contains 1 mole of solute per liter of solvent. [200 ml water = 0.2 Liters water.]

In this case, we have 0.161 moles Na2O in 0.200 L of solvent.

(0.161 moles Na2O)/(0.200 L) = 0.85 Molar Na2O

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2 years ago