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LiRa [457]
4 years ago
13

When an electron moves from a lower to a higher energy level does the electron gain or lose Quantum of energy

Chemistry
1 answer:
Svetlanka [38]4 years ago
7 0
The electron will lose energy
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What would happen to the solvent if a reaction was refluxed without a condenser​
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Answer:

Solvent will be lost as gas and not return into the vessel via condensation.

Explanation:

Reflux is a technique used in chemistry to boil a particular solvent and convert the gas formed back into liquid by condensation. This technique allows a solvent to be heated at a regulated temperature but for a prolonged period of time than it would normally take place.

The reflux procedure makes use of a reflux CONDENSER, which is an apparatus that allows vapour from the heating/boiling to flow back into the reaction vessel. The CONDENSER functions to prevent the loss of the SOLVENT as vapour by providing a cooling effect on the vapour.

Therefore, if a reaction was refluxed without a condenser, THE SOLVENT WILL BE LOST AS VAPOUR

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What is work and why energy is useful for work???<br>(please guys give answer)​
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3 years ago
5. A standardized mass was known to weigh exactly 5.0000g. It was weighed on a newly
sergey [27]

Answer:

Absolute error = 0.001

% Error = 002 5

Explanation:

The absolute error is the the difference in the measured value and the actual value of a quantity.

Here the actual value is 5.0000 grams

The measured value is 5.001 grams

Absolute error

5.001 - 5.000\\= 0.001

Percent error

= \frac{AE}{AV}

Where AE stands for absolute error and AV stands for absolute value.

= \frac{0.001}{5.000} * 100\\

= 0.02 %

5 0
3 years ago
Calcium, magnesium, and strontium are near each other on the periodic table and have some characteristics in common, but they di
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Strontium, Calcium, Magnesium

Strontium is the most reactive of the three element because of this, it does not exist free in nature but rather exist in combination with other elements in various compounds such as strontianite. Calcium is more reactive than magnesium because it is larger than magnesium and thus, it is more electropositive in nature.

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4 years ago
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alexandr1967 [171]

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Organisms are bound to die when they do, they undergo decomposition which breaks down complex organic matter into simpler organic matter. The simpler organic matter also undergoes other processes that result in the production of simple inorganic matter; One of such processes is Phosphorus mineralization, it is the process by which phosphorus contained in organic matter is converted to simple inorganic phosphates.

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3 years ago
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