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strojnjashka [21]
4 years ago
7

One molecule of O2 is made of?

Chemistry
2 answers:
IceJOKER [234]4 years ago
8 0
Hydrogen & oxygen would be it
Arlecino [84]4 years ago
4 0
Oxygen, and hydrogen
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How many grams of ko2 are needed to form 6.5 g of o2?
NNADVOKAT [17]
Decomposition of a potassium superoxide  happens according to the scheme:

4KO₂(s) + 2H₂O(l) → 4KOH(aq) + 3O₂(g)

m(K₂O)=4M(K₂O)m(O₂)/{3M(O₂)}

m(K₂O)=4×71.1×6.5/{3×32.0}≈19.3 g
7 0
4 years ago
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ASAP - Thank you
ANTONII [103]

Answer:

Covalent bonds

Explanation:

Atoms with greatly differing electronegativity values are expected to form..... ... When two atoms each need additional electrons to fill their valence shells, but neither is electronegative enough to steal electrons from the other, they can form another kind of chemical bond called a covalent bond.

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What is magma? a. The molten mixture of rock-forming substances, gases, and water from the mantle.. c. Hardened lava on the surf
tester [92]
My sister said is A.
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3 years ago
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Which chemical formula corresponds to this structural formula? c6h6h6h2 c14h6 c6h12 c6h14
Alexxandr [17]

The chemical formula C₂H₆O, which is designated as option D, is equivalent to this structural formula.

<h3><u>What is a Chemical Formula ?</u></h3>

Chemical element symbols, numbers, and occasionally additional symbols like parentheses, dashes, brackets, commas, and plus (+) and minus () signs are used in a chemical formula to represent information about the chemical proportions of the atoms that make up a certain chemical compound or molecule.

  • An empirical formula represents by symbols, such as Na for sodium and Cl for chlorine, with subscripts that show the relative number of atoms in each.
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To know more about Chemical formulas, refer to:

brainly.com/question/26388921

6 0
1 year ago
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If 4.35 grams of zinc metal react with 35.8 grams of silver nitrate, how many grams of silver metal can be formed and how many g
vaieri [72.5K]
The balanced chemical reaction is written as:

<span>Zn + 2AgNO3 = Zn(NO3)2 + 2Ag

To determine the grams of silver metal that is being produced, it is important to first determine which is the limiting reactant and the excess reactant from the given initial amounts. We do as follows:

4.35 g Zn ( 1 mol / 65.38 g ) ( 2 mol AgNO3 / 1 mol Zn ) = 0.1331 mol AgNO3 needed
35.8 g AgNO3 ( 1 mol / 169.87 g ) ( 1 mol Zn / 2 mol AgNO3 ) = 0.1054 mol Zn needed

Therefore, the limiting reactant would be the zinc metal since it would be consumed completely in the reaction. The excess amount of AgNO3 would be:

0.2107 mol AgNO3 - 0.1331 mol AgNO3 = 0.0776 mol AgNO3 left ( 169.87 g / 1 mol ) = 13.19 g AgNO3 left

0.0665 mol Zn ( 2 mol Ag / 1 mol Zn) ( 107.9 g / 1 mol) = 14.3581 g Ag produced</span>
5 0
4 years ago
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