The ________ is what needs to be overcome in a reaction so that it can proceed to the products.

1 answer:

3 0

The answer to this question would be: activation energy

Activation energy is the energy needed for the chemical reaction to occur. The energy can be written as KJ/mol or kkcal/mol. This activation energy can be lowered by adding a catalyst which in turn increases the reaction rate

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Learning calculations in chemistry

olasank [31]

What question do u have?

7 0

4 years ago

How did scientists solve the nitrogen problem?

taurus [48]

Unfortunately, we have not fully solved the 'nitrogen problem'. To do this, we must halve the amount of nitrogen we dump into the environment by mid-century or our ecosystems will face epidemics of toxic tides, lifeless rivers, and dead oceans. And that to do that will require, among other things, almost doubling the efficiency of nitrogen use on the world’s farms.

3 0

3 years ago

A sample of 0.370 mol of a metal oxide (m2o3) weighs 55.45 g. how many grams of o are in the sample?

Wewaii [24]

0.370 mol metal oxide = 55.45 g

1 mol = 55.45/0.370 = 149.86 g 

in 1 mol there are 3 mol O = 16 * 3 = 48 g of O 

there is 48/149.86 * 100% O in the sample 

the sample has 48/149.86 * 0.370 = 0.119 g O

6 0

3 years ago

I can be found in the 4th period on the periodic table.

Rainbow [258]

Vanadium (V)

Vanadium is the only one in the 4th period here so

4 0

3 years ago

Which ionic equation describes a redox reaction? A. Ag(+) + Cl- = AgCl B. 2H(+) + CO3(2-) = CO2 + H2O C. H(+) + OH(-) = H2O D. Z

Gennadij [26K]

Answer: The correct option is D. $Zn+Cu^{2+}\rightarrow Zn^{2+}+Cu$

Explanation:

Redox reaction is defined as the reaction in which oxidation and reduction take place simultaneously. It is known as the reaction in which the exchange of electrons takes place.

The oxidation reaction is defined as the reaction in which a chemical species loses electrons in a chemical reaction. It occurs when the oxidation number of a species increases.

A reduction reaction is defined as the reaction in which a chemical species gains electrons in a chemical reaction. It occurs when the oxidation number of a species decreases.

From the given ionic reactions:

$Zn+Cu^{2+}\rightarrow Zn^{2+}+Cu$

On the reactant side:

Oxidation number of Zn = 0

Oxidation number of Cu = +2

On the product side:

Oxidation number of Cu = 0

Oxidation number of Zn = +2

As the oxidation number of Zn is increasing from 0 to +2. Thus, it is getting oxidized. Similarly, the oxidation number of Cu is decreasing from +2 to 0. Thus, it is getting reduced. Therefore, forming a redox couple

Hence, the correct option is D. $Zn+Cu^{2+}\rightarrow Zn^{2+}+Cu$

6 0

3 years ago