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lyudmila [28]
2 years ago
13

A specialist that study substance obtained by attained mining is called a what​

Chemistry
1 answer:
galina1969 [7]2 years ago
7 0

Answer:

Explanation:

Mining:

   

   

    Mining is when certain substances are removed from the Earth, usually in large quantities. Mining can occur below the surface of the Earth via tunnels and caves. It can also occur at surface level through methods such as strip mining, which removes huge amounts of soil in the process

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nordsb [41]

Answer:

the answer is d which is soap solution because it's a soap solution that can measure the degree of hardness of a water if the water forms with this soap solution then the water is hard but if the water forms foam with soap then it is soft

3 0
3 years ago
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If barium (metal) has two valence electrons while chlorine (nonmetal) has seven, how many barium atoms are needed to form an ion
Vesnalui [34]
One barium atom is needed to form an ionic bond with two chlorine atoms.

Cl(-) Ba(2+) Cl(-)

:-) ;-)
3 0
4 years ago
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Which of the following conclusions about the two intermolecular forces is correct? X represents London dispersion forces, and Y
nadezda [96]

Answer:

X represents London dispersion forces, and Y represents dipole-dipole forces.

Explanation:

7 0
4 years ago
The reaction below produces _________________________ Question 5 options: A) trans-1,2-diol B) cis-1,2-diol C) a halohydrin D) a
blsea [12.9K]

Answer:

C) a halohydrin

Explanation:

In organic chemistry, a halohydrin is a compound whereby halogen and hydroxyl functional groups are bonded to adjacent carbon atoms in the molecule. Halohydrins are formed from alkenes such as cyclohexene in this case.

NBS is a very suitable alternative to Br2 in the synthesis of a halohydrin. Recall that the reactive intermediate when bromine reacts with an alkene is the brominium ion which is a three atom ring ion. If excess water is used as the solvent, then the water attacks the brominium ion to yield the product halohaydrin with trans a trans stereochemistry.

6 0
4 years ago
The reaction of 50 mL of Cl2 gas with 50 mL of C2H4 gas via the equation: Cl2 (g) + C2H4 (g) → C2H4Cl2 (g) will produce a total
prohojiy [21]

Answer:

There will be produced a total of 50 mL of products (C2H4Cl2)

Explanation:

Step 1: Data given

Volume of Cl2 = 50 mL

Volume of C2H4 = 50 mL

Step 2: The balanced equation:

Cl2(g) + C2H4(g) → C2H4Cl2(g)

For 1 mol of Cl2 we need 1 mole of C2H4 to produce 1 mole of C2H4Cl2

Step 3: Calculate volume of C2H4Cl2

Since pressure, temperature are kept cosntant, we can calculate the final volume as following:

(5There will be produced a total of 50 mL of products (C2H4Cl2)0 mL Cl2) * (1 mol C2H4Cl2 / 1 mol Cl2) = 50 mL C2H4Cl2

4 0
4 years ago
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