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Snowcat [4.5K]
3 years ago
10

The pH scale:

Chemistry
2 answers:
Svet_ta [14]3 years ago
7 0

Answer:

A) Ranges in value from 0.0 (Acids) to 14.0 (Bases).

Explanation:

Process of elimination.

faltersainse [42]3 years ago
5 0
It runs from 0 to 14. (A)

It is based off the -log [H+] where [H+] is the concentration of the Hydrogen ions.
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Calculate the number of Cl atoms that are in 1.1 x 10^-21 moles of Cl atoms.
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According to Avogadro's number there are 62.53 atoms of chlorine in 1.1x 10^-21 moles of Cl atoms.

<h3>What is Avogadro's number?</h3>

Avogadro's number is defined as a proportionality factor which relates number of constituent particles with the amount of substance which is present in the sample.

According to the definitions, Avogadro's number depend on determined value of mass of one atom of those elements.It bridges the gap between macroscopic and microscopic world by relating amount of substance with number of particles.

Number of atoms can be calculated using Avogadro's number as follows: mass/molar mass×Avogadro's number or number of moles×Avogadro's number.

ON substitution in above formula number of atoms=1.1×10²¹×6.023×10²³=62.53 atoms

Thus, there are 62.53 chlorine  atoms in 1.1x 10^-21 moles of Cl atoms.

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A ________ contains paired statements that can be used to identify organisms. Domains _________ and ________ are made up of Prok
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A piece of wood near a fire is at 23°c. it gains 1,160 joules of heat from the fire and reaches a temperature of 42°c. the speci
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The mass of the piece of wood is 35.58 g.

Joule = M × T × C

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<h3>What is meant by specific heat capacity?</h3>

A material's specific heat capacity, which is defined as its heat capacity divided by its mass, determines how much energy is required to increase a gram's temperature by one degree Celsius (or one Kelvin)

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Mass is the quantity of matter in a physical body.

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