Explain the valence differences etc between the two polyatomic ions: nitrate and nitrite.

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Answer 1

Answer: Both Nitrates and Nitrites are inorganic chemical compounds, and as the names imply, the characteristic element in them is ‘N’ or Nitrogen, which has an atomic number of 7. Nitrogen is an odourless diatomic gas in nature and is reactive. The element Nitrogen is also highly electro-negative. And both Nitrates and Nitrites are two important classes of Nitrogen-containing compounds. The main difference between Nitrate and Nitrite is that Nitrate group contains one Nitrogen atom and three Oxygen atoms whereas Nitrite group contains one Nitrogen atom and two Oxyg

Answer 2

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Concentrated nitric acid used in laboratory is 68 % nitric acid by mass in aqueous solution. What should be the molarity of such a sample of the acid if the density of the solution is 1.504 g mL-1?

Answers

68% by mass = 68 / 100 => 0.68

Density = 1.504 g/mL⁻¹

Molar mass HNO₃ =63.01 g/mol

M = 1000 * T* D / mm

M = 1000 * 0.68 * 1.504 / 63.01

M = 1022.72 / 63.01

M = 16.23 mol/L

hope this helps!

what happens when you immerse a dialysis bag containing 60% sucrose in a beaker with distilled water?\

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Answer:

70 peeecenr is thee answe

Fusion is a type of

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A type of a Nuclear Reaction

i think it is type of
nuclear reaction

What word is not associated with Exothermic? A)absorbs energy B )burning firewood C )freezing water D) releases energy

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Answer:

Explanation:

Answer:

Explanation:

Not a because the term exo means outward, so exothermic means releasing energy so D.

Not B or C because they have nothing to do with exothermic (exo- outward thermic- energy)

Nuclear fusion differs from nuclear fission because nuclear fusion reactions(1) form heavier isotopes from lighter isotopes
(2) form lighter isotopes from heavier isotopes
(3) convert mass to energy
(4) convert energy to mass

Answers

Nuclear fusion is the forceful collision of two nuclei to make a larger one
So the answer is (1)
(2) Would be nuclear fission
For (3) and (4), you can't convert energy from anything that isn't another form of energy, and you can't convert it in to anything that isn't another from of energy

Nuclear fusion differs from nuclear fission because nuclear fusion reactions. Nuclear fusion forms heavier isotopes from lighter isotopes. Nuclear fission forms lighter isotopes from heavier isotopes. therefore, the correct options are option 1,2.

Nuclear fission gets a nuclear process in which the atom's nucleus is divided into smaller nuclei by being blasted with low-energy neutrons. In this process, a large quantity of energy is released. Nuclear fission processes are employed for nuclear power reactors due to their simplicity and high energy output. When multiple atoms unite to produce one heavier nucleus, the process is known as nuclear fusion. In comparison to the energy produced throughout the nuclear fission reaction, a tremendous quantity of energy is released during this process.

To know more about nuclear fusion and nuclear fission, here:

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Which list of solutions is arranged in order from highest boiling point to lowest boiling point?

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In determining the boiling point of solutions, always take note of the number of ions that will dissociate in the solution. It does not depend on the nature of the substance. The greater the number of ions dissociated, the greater is the boiling point of the solution.

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