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AfilCa [17]
3 years ago
5

Conduction is when heat is transferred through

Chemistry
2 answers:
joja [24]3 years ago
5 0
It is a.) the sun because it’s heat
Nastasia [14]3 years ago
3 0
The correct answer is a the sun
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Express this number in scientific notation 50000​
Kazeer [188]

Answer:

We write 50,000 in scientific notation,

it is written as 5 x 10⁴.

Hope it helps.

6 0
3 years ago
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Which of the following is not a conjugate acid-base pair? A) NH4+/NH3 B) H30-OH OC) H2SO3/HSO3 D) C2H302-/HC2H302
raketka [301]

Answer : The option (d) is not a conjugate acid-base pair.

Explanation :

According to the Bronsted Lowry concept, Bronsted Lowry-acid is a substance that donates one or more hydrogen ion in a reaction and Bronsted Lowry-base is a substance that accepts one or more hydrogen ion in a reaction.

Or we can say that, conjugate acid is proton donor and conjugate base is proton acceptor.

(a) The equilibrium reaction will be,

NH_4^++OH^-\rightleftharpoons NH_3+H_2O

In this reaction, NH_4^+/NH_3 are act as a conjugate acid-base.

(b) The equilibrium reaction will be,

H_3O^++OH^-\rightleftharpoons H_2O+H_2O

In this reaction, H_3O^+/OH^- are act as a conjugate acid-base.

(c) The equilibrium reaction will be,

H_2SO_3+OH^-\rightleftharpoons HSO_3^-+H_2O

In this reaction, H_2SO_3/HSO_3^- are act as a conjugate acid-base.

(d) The equilibrium reaction will be,

C_2H_3O_2^-+H_2O\rightleftharpoons HC_2H_3O_2+OH^-

In this reaction, C_2H_3O_2^-/HC_2H_3O_2 are act as a conjugate base-acid.

Hence, from this we conclude that, the option (d) is not a conjugate acid-base pair but it is a act as conjugate base-acid.

6 0
3 years ago
A Bronsted-Lowry<br> _______is a molecule or ion that donates<br> a hydrogen ion in a reaction,
Mekhanik [1.2K]

A Bronsted-Lowry acid-base is a molecule or ion that donates a hydrogen ion in a reaction.

<em>Brainliest Please?</em>

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3 years ago
Which of the following belong to a category called the main group of elements
Anna71 [15]

Answer:

C. Alkaline Metal ok thanks

3 0
3 years ago
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Periodic Table refers to the fact that elements are arranged such that
Elenna [48]

Answer:

they have increasing atomic number either u go left to right across a leriod or go down a group

5 0
3 years ago
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