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4 years ago

Correctly identify the generic formula for a synthesis reaction.

Chemistry

1 answer:

DaniilM [7]4 years ago

4 0

Answer:

A + B → AB

Explanation:

Synthesis reaction:

It is synthesis reaction. The reaction in which two or more simple substance react to give one or more complex product.

A + B → AB

While,

E) Double replacement:

It is the reaction in which two compound exchange their ions and form new compounds.

AB + CD → AC +BD

Example:

The following reaction is double replacement reaction.

CaCO₃ + 2HCl → CaCl₂ + H₂CO₃

A) AB → A + B

Decomposition:

It is the decomposition reaction. The reaction in which one reactant is break down into two or more product.

D) AB + C → AC + B

Single replacement:

It is the reaction in which one elements replace the other element in compound.

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Complete and balance each of the following equations. If no reaction occurs, enter NOREACTION.

Tatiana [17]

Answer

Part A:

Given equation:

$KI_{(aq)}+BaS_{(aq)}\rightarrow$

The above equation is an example of a double replacement reaction. A double replacement (or double displacement) reaction is a reaction in which the positive and negative ions of two ionic compounds exchange.

Note: The oxidation number of:

K = +1

I = -1

Ba = +2

S = -2

So, the complete chemical equation including phases of the given reaction is:

$2KI_{(aq)}+BaS_{(aq)}\rightarrow BaI_{2(aq)}+K_2S_{(s)}$

Part B:

Given equation:

$KCl_{(aq)}+CaS_{(aq)}\rightarrow$

Also, the equation is an example of a double replacement reaction.

Note: The oxidation number of:

K = +1

Cl = -1

Ca = +2

S = -2

The complete chemical equation including phases of the given reaction is:

$2KCl_{(aq)}+CaS_{(aq)}\rightarrow K_2S_{(s)}+CaCl_{2(aq)}$

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2 years ago

A. Monosaccharide with examples

san4es73 [151]

Monosaccharide are
any of the class of sugars (e.g., glucose) that cannot be hydrolyzed to give a simpler sugar.
examples: fructose ,galactose glucose

7 0

3 years ago

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What evidence supports Bohr’s claim that an electron is found only in specific energy levels around the nucleus of the atom. And

Lorico [155]

Energy Levels of Electrons. As you may remember from chemistry, an atom consists of electrons orbiting around a nucleus. ... They are restricted to orbits with only certain energies. Electrons can jump from one energy level to another, but they can never have orbits with energies other than the allowed energy levels.

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3 years ago

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Which of the following equations does not represent a redox reaction?

bija089 [108]

Answer:

a. NH3+ HCl → NH4Cl

c. 2O3 → 3O2

Explanation:

A redox reaction is a reaction in which there is loss or gain of electrons. As a result of that , there is a change in the oxidation number of the species involved in the reaction.

If we look at the species shown in the answer, there isn't any change in oxidation number as we move from left to right hence they are not redox reactions.

Redox reactions lead to change in oxidation number of species from left to right.

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3 years ago

Select the correct answer

vekshin1

Answer:

Temperature

Explanation:

Kinetic energy of gass molecules is directly propotional to the temperature.

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3 years ago

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