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maw [93]
2 years ago
12

What is mole in chemistry?

Chemistry
2 answers:
kondaur [170]2 years ago
5 0

Answer:

Here is your answer

Explanation:

A mole is defined as 6.02214076 × 1023 of some chemical unit, be it atoms, molecules, ions, or others. The mole is a convenient unit to use because of the great number of atoms, molecules, or others in any substance.

Dmitry [639]2 years ago
5 0

Answer:

the base unit of amount of substance in the International System of Units

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Morgan wants to compare the weather conditions at her school each day during the week. She decides to measure and record weather
Firlakuza [10]

Answer: Air Temperature

8 0
3 years ago
Describe some acidic oxides that can be prepared by thermal decomposition of nitrates and carbonates
azamat

When calcium carbonate is heated, it breaks down to form calcium oxide and carbon dioxide.

Thermal decomposition is the process in which heat is required.

It is also known as thermolysis.

It is processed in which a compound breaks into two or more products when the heat is supplied.

This reaction is used for the production of oxygen.

This reaction is also used for production of acidic as well as basic oxides.

CaCO3 on thermal decomposition gives:

CaCO3→CaO+CO2

CaO→ Basic oxide.

CO2→ Acidic oxide.

6 0
3 years ago
PLEASE HELPP!
pantera1 [17]

Answer:

The arguments both for and against allowing genetically altered meats into the United States is explained below in details.

Explanation:

Arguments for and against genetically altered meats:

  • Supply the Society. By 2050, the world's inhabitants are supposed to increase from today's 7 billion to way beyond 9 billion.
  • ENVIRONMENTAL RISK.
  • STRONGER CROPS = LESS PESTICIDES.
  • REMEMBER WHEN CIGARETTES WERE 'HARMLESS'?
  • TAMPERING FOR TASTE. ...
  • BIG BUSINESS EATS SMALL FARMERS.
  • ENHANCED HEALTH.
  • NOTHING TASTES BETTER THAN NATURE.

8 0
3 years ago
What is the relationship between valence electrons and the number of bonds that can be formed?
nadya68 [22]
 <span>Like the previous post states, the number of valence electrons (typically the group number for nonmetals)relates directly to the number of covalent bonds available. Additionally, when you exceed this number you create a cation and when you are less the number of potential bonds, you have created a anion.
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6 0
3 years ago
For a second order reaction, the half-life is equal to:_____.
gtnhenbr [62]

Answer:

Half life = 1 / k[Ao]

Explanation:

From:

1/ [A] = kt + 1/ [Ao]

Isolating t on its own, we have:

kt = 1 / [A] - 1 / [Ao]

t = 1 / [Ao] / k

Re-arranging we have:

t = 1 / k [Ao]

The t represents the t=half life of the second order reaction and the formula can be re-written as:

t1/2 = 1 / k [Ao]

This is so because second order reaction decreases at a much faster rate than zero and first order reactions and there slopes decreases to zero at a much faster rate.

4 0
3 years ago
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