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Aleksandr [31]
3 years ago
11

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

Chemistry
2 answers:
Degger [83]3 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]3 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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White vinegar is a 5.0% by mass solution of acetic acid in water. If the density of white
Alex_Xolod [135]

The pH = 2.41

<h3>Further explanation</h3>

Given

5.0% by mass solution of acetic acid

the density of white  vinegar is 1.007 g/cm3

Required

pH

Solution

Molarity of solution :

\tt M=\dfrac{\%mass\times \rho\times 10}{MW~acetic~acid}\\\\M=\dfrac{5\times 1.007\times 10}{60}\\\\M=0.839

Ka for acetic acid = 1.8 x 10⁻⁵

[H⁺] for weak acid :

\tt [H^+]=\sqrt{Ka.M}

Input the value :

\tt [H^+]=\sqrt{1.8\times 10^{-5}\times 0.839}\\\\(H^+]=0.00388=3.88\times 10^{-3}\\\\pH=3-log~3.88=2.41

7 0
3 years ago
What if the mother is type O and the father is A? What would the offspring's blood type be?
tensa zangetsu [6.8K]

Answer:

it depends upon a his body which antigen is present

Explanation:

it depends on that person not on their parents

7 0
2 years ago
Phosphorus has three isotopes, 31p, 32p, and 33p. the atomic number of phosphorus is 15. how many protons does each of the isoto
klemol [59]
<span>For isotopes of any element, the number of protons remains the same, BUT the number of neutrons changes. Since each of the isotopes listed is phosphorus, All three have 15 protons. (They have 16, 17 and 18 protons respectively.)</span>
5 0
3 years ago
"It is not the union that organizes the employees; it is management."
blsea [12.9K]

The statement<em> "it is not the union that organizes the employees; it is management "</em> means that :

  • The management creates the climate which allows the union to convince employees to accept union representation.

This excerpt shows that although the union helps in the organization of employees for better and easy management of staffs by the management, the management creates an enabling environment by creating stipulations which allows the u ions to convince staffs to join and accept union representation in staff welfare matters.

Hence we can conclude that, the management creates the climate which allows the union to convince employees to accept union representation.

Learn more about union representation : brainly.com/question/10659490

3 0
3 years ago
PLEASE HELP!!!!! NEED THE ANSWER FAST!!!
PIT_PIT [208]
The answer is a. <span>changes in nucleotides of a DNA molecule that affect the genetic message.</span>
6 0
3 years ago
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