The complete equation to following equation to make a double replacement reaction is: Na2SO4 + BaCl2 = BaSO4 + 2NaCl.
<h3>What is a double displacement reaction.</h3>
A double displacement reaction is the reaction that involves the replacement of two elements.
According to this question, barium sulfate (BaSO4) and sodium chloride are produced from the chemical equation given.
This clearly suggests that Sodium sulfate is the missing reactant, hence, the complete equation to following equation to make a double replacement reaction is:
Na2SO4 + BaCl2 = BaSO4 + 2NaCl.
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Calcium oxide is known as lime and is one of the top 10 chemicals produced annually by thermal decomposition of limestone. .Over time, this reacts with carbon dioxide in the air to form crystals of calcium carbonate, which lock the sand grains together to form a hard rock-like material.
Answer:
D
Explanation:
it slowly changes rocks or minarials it puts it under pressure and compacks it and it forms a rock for example
Answer:
These wavelengths are longer than wavelength of visible light.
These wavelengths form the infra-red part of the spectrum.
Explanation:
Solar spectrum has lies in three parts of the electromagnetic spectrum - Ultraviolet, visible and infra-red.
Visible light lies from 400 nm to 700 nm.
Ultraviolet region precedes visible spectrum and has shorter wavelength than it.
Beyond visible spectrum, infrared part of the spectrum starts and has longer wavelength than it.
The wavelength of sunlight that are greater than 700 nm wavelength have longer wavelength than visible light and lie in the infra-red part of the spectrum.