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Identify this very common mystery mineral, which is almost always present in light colored rocks and sandstones: hardness of 7, no cleavage, exhibits conchoidal fracture, glassy luster.

Julia did an experiment to study the solubility of two substances

What part of the reactor is used to control the speed of the nuclear reaction? How does it work?

If 11.5 grams of chlorine reacts with aluminum, how many grams of aluminum chloride will be formed according to the following reaction? 2 Al + 3 Cl2 à 2 AlCl3

4.93x10^25 / (6.02 x 10^23)

How does phosphorus enter the human body?

When a reaction occurs between atoms with ground state electron configuration 1s2 2s1 and 1s2 2s2 2p5 the predominant type of bond formed is

How does heat transfer takes place between any two systems?

Hydrate name of CaCl2 * 8 H2O

Calculate the heat evolved from a mixture of 14.1 l of sulfure dioxide