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Ugo [173]
3 years ago
8

In what sequence do electrons fill the atomic orbitals within a sub level

Chemistry
1 answer:
harina [27]3 years ago
3 0

Each orbital must contain a single electron before any orbital contains two electrons.

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How hydrogen chloride gas is prepared on labrotary by conc sulpheric acid<br> ​
Citrus2011 [14]

Answer:

It is prepared small amounts of hydrogen cloride for uses in the lab.

It can be  "generated in an HCl generator by dehydrating hydrochloric acid with either sulfuric acid or anhydrous calcium chloride."

4 0
2 years ago
Calculate the mass of h2o and c6 h12 o6 required to make 250 gram of 40% solution of glucose
Sedaia [141]
40% solution of glucose is where the solution contains, by weight, 40% glucose and 60% water. 

Therefore, if the total weight of the solution is 250 g, 
mass of the glucose (C6H12O6) = 250 g * 40% = 100 g
mass of water (H2O) = 250 g * 60% = 150 g

Mass of water can also be calculated by subtracting the weight of glucose from the total weight of the solution:
mass of water = 250g-100g = 150g.
5 0
3 years ago
What is the sequence in the formation of the Earth and the Universe?
Bezzdna [24]

Answer:

The Earth formed billions of years after the Universe formed

Explanation:

The "universe" is said to have been formed <em>billions of year ago</em> through an explosion. This was called the <em>"Big Bang Theory." </em>This lead to the<u> expansion of the universe</u> owing to its high temperature and density. After which, the universe cooled down. Galaxies and stars were then formed. Some of the stars died due to explosion, which then led to the <u>creation of planets</u>. Such formation of the planets happened around <u>4.5 billion years ago.</u> This is <em>9.3 billions of years later</em> than the universe was formed<em> (13.8 billions of years ago)</em>. So, this explains the answer.

3 0
2 years ago
when a compound containing c h and o is completely combusted in air what reactant besides the hydrocarbon is involved in the rea
Arada [10]

When a compound containing C, H and O is completely combusted in air what reactant besides the hydrocarbon is involved in the reaction is Oxygen.

<h3>What is hydrocarbon?</h3>

A hydrocarbon is an organic molecule composed completely of hydrogen and carbon in organic chemistry. Group 14 hydrides include hydrocarbons. Hydrocarbons are often colourless and hydrophobic, with scents that are weak or exemplified by gasoline and lighter fluid. They exist in a wide range of molecular forms and phases, including gases (like methane and propane), liquids (like hexane and benzene), low melting solids (like paraffin wax and naphthalene), and polymers (such as polyethylene and polystyrene). Hydrocarbon refers to naturally occurring petroleum, natural gas, and coal, as well as their hydrocarbon derivatives and refined forms, in the fossil fuel industry. The primary source of energy on the planet is the combustion of hydrocarbons.

To learn more about hydrocarbons visit:

brainly.com/question/17578846

#SPJ4

7 0
1 year ago
Anabolic reactions may be characterized as
cluponka [151]

Anabolism is characterized as the assembly of large molecules from small molecules.

Anabolism is the set of chemical reactions of molecular synthesis of the organism considered. It is the opposite of catabolism, set of degradation reactions.

The reactions of the anabolism are reductions and are not spontaneous, they are endergonic reactions that is to say that they require a contribution in energy to take place. We can also talk about biosynthesis.

These reactions allow living organisms to synthesize essential metabolites from the basics provided by the diet and result in the building or renewal of tissues.

Examples: photosynthesis, protein biosynthesis.

6 0
2 years ago
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