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Aleksandr [31]
4 years ago
11

The addition of a catalyst to a chemical reaction provides an alternate pathway that

Chemistry
2 answers:
Degger [83]4 years ago
4 0
<span>The addition of a catalyst to a chemical reaction provides an alternate pathway that c</span>atalysts lowers the activation energy.
Vanyuwa [196]4 years ago
4 0

Answer: has lower activation energy

Explanation:

A catalyst is a substance which increases the rate of a reaction by taking the reaction through a different path which involves lower activation energy and thus more molecules can cross the energy barrier and convert to products.

Activation energy is the extra energy that must be supplied to reactants in order to cross the energy barrier and thus convert to products.

The catalyst itself does not take part in the chemical reaction and is regenerated as such at the end.

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How many inner, outer, and valence electrons are present in an atom of each of the following elements?
telo118 [61]

Answer:

(a) O =  Valance Electrons (6), Inner electrons (8)

(b) Sn =  Valance Electrons (2), Inner electrons (36)

(c) Ca =  Valance Electrons (2), Inner electrons (20)

(d) Fe =  Valance Electrons (2), Inner electrons (26)

(e) Se = Valance Electrons (6), Inner electrons (34)

5 0
3 years ago
Use enthalpies of formation to determine the ΔHreaction for the reaction
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Answer:

The enthalpy is increased by the increased heat of the reaction.

Explanation:

In this reaction, as the transition from solid to liquid state, enthalpy increases, that is, the heat applied to change its state is greater and this increases, reaching a mayor disorder.

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3 years ago
What best describes the collision between ideal gas molecules
Alika [10]
An ideal gas is defined as one in which all collisions between atoms or molecules are perfectly eleastic and in which there are no intermolecular attractive forces. One can visualize it as a collection of perfectly hard spheres which collide but which otherwise do not interact with each other.

Happy to help
6 0
3 years ago
What would be the IUPAC name of PoTs2
Vikentia [17]

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6-methylhept-1-en-3-one

Explanation:

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3 years ago
A 500 gram piece of metal had a volume of 2.75cm3. What is it’s density
beks73 [17]

Answer:

181.82 g/cm3

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density is mass / volume so it is 500 / 2.75=181.82 g/cm3

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