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adelina 88 [10]
2 years ago
12

Which of the following statements about hydrogen peroxide (H2O2) and water (H2O) correctly describe their properties?

Chemistry
1 answer:
Zielflug [23.3K]2 years ago
8 0
I am not 100% sure but I think is C.
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He (Helium) is _________ atomic molecule.
babunello [35]

Answer:

Monatomic molecule

Explanation:

Each helium atom has 2 electrons, which is already the maximum no. of electrons that can fit in the first electron shell. When the outermost electron shell is full (2 for the first layer, 8 for others), the atom is stable.

Helium atom itself is already stable, so it doesn't need to combine with another helium atom to form a molecule, hence we call it monatomic.

8 0
3 years ago
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Core electrons shield what from the pull of the nucleus?
nikklg [1K]

Answer:

C. Valence electrons

Explanation:

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5 0
3 years ago
Whitch statement is the best example of pseudosicience
Mars2501 [29]

Please include the statements

7 0
3 years ago
R spectroscopy can be used to identify which _____________________ are present in a compound.
Nesterboy [21]

Answer:

IR spectroscopy can be used to identify chemical structures are present in compounds.

Explanation:

Infrared spectroscopy is a technique in organic chemistry that can be use use to identify chemical structures present in compounds because it is base on the ability of different functional groups to adsorb infrared light.

This work by shinning the infrared lights into the organic compounds to be identified, some of the frequencies of the infrared lights are adsorbed by the compounds and its identify groups of atoms and molecules in the compound.

3 0
2 years ago
PLEASE HELP 20 points
777dan777 [17]

  n = 1.5atm (15L) / .0821 (280k) = .98 mol NaCl

  NaCl = 22.99g Na + 35.45g Cl = 58.44g NaCl

  58.44g NaCl x .98 mol NaCl = 57.27g NaCl

Explanation:

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4 0
2 years ago
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