Zircon and detrital quartz have the potential to provide information regarding scalar changes to the Earth's weathering processes and silicon isotope composition. Due to the fact that there are currently few data on the Si isotope equilibrium fractionation of minerals, determining the source melt Si isotope composition from out-of-context minerals is difficult.
The term "quartz" comes from the Polish words "kwardy" and "twardy," both of which imply "hard" in English. Quartz is an igneous rock made up of silicon and oxygen atoms in a continuous structure called silicon-oxygen tetrahedra (SiO4). The ultimate chemical formula of quartz is SiO2, which is recognized in science as the result of the sharing of each oxygen atom between two tetrahedra atoms. In terms of mineral abundance in the continental crust of the earth, quartz is second only to feldspar. The two types of quartz which are known as regular alpha quartz and high-temperature beta quartz are both chiral materials. All of the alpha-to-beta quartz transformations take place at temperatures below 573 degrees Celsius.
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Explosives are made up of gunpowder
Answer:
An acid is a substance that releases H⁺ in aqueous solution.
Explanation:
There are different acid-base theories, such as Arrhenius, Bronsted-Lowry, Lewis, etc.
According to the Arrhenius theory, an acid is a substance that releases H⁺ in aqueous solution.
HCl(aq) → H⁺(aq) + Cl⁻(aq)
On the other hand, according to the Arrhenius theory, a base is a substance that releases OH⁻ in aqueous solution.
NaOH(aq) → Na⁺(aq) + OH⁻(aq)
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Answer:
The forward reaction will be favored.
Explanation:
The reaction is:
As per equation (equilibrium equation), there are two moles of gaseous molecules on product side and three moles of reactant side.
a) If we increase pressure, the volume will decrease.
b) Due to decrease in volume, the moles per unit volume will increase.
c) In order to attain equilibrium again, the system will shift in the direction where it can nullify this effect [Le Chatelier's principle]
d) This can be done, if system moves in the direction where number of moles of gaseous molecules are less, which is product side.
e) Thus forward reaction will be favored.