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Usimov [2.4K]
3 years ago
9

A solution containing equal numbers of hydrogen ions and hydroxide ions is

Chemistry
1 answer:
igor_vitrenko [27]3 years ago
4 0

Answer:

The answer to your question is: Neutral

Explanation:

A neutral solution is a solution whose pH is 7.

That means that this solution has the same amount of H⁺ and OH⁻.

Examples of neutral solutions:

- distilled water

- sugar solution

- table salt

- cooking oil.

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Use the Gizmo to estimate the age of each of the objects below. For these questions, each second in the Gizmo represents 1,000 y
ziro4ka [17]

Answer:

Check the explanation

Explanation:

AT = A0 e(-T/H)

... where A0 is the starting activity, AT is the activity at some time T, and H is the half-life, in units of T.

Substituting what we know, we get...

0.71 = (1) e(-T/5730)

Solve for T...

loge(0.71) = -T/5730

T = -loge(0.71)(5730)

T = 1962 (conservatively rounded, T = 2000)

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for aboriginal charcoal

0.28 = (1) e(-T/5730)

Solve for T...

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T = -loge(0.28)(5730)

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0.89 = (1) e(-T/5730)

Solve for T...

loge(0.89) = -T/5730

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7 0
3 years ago
Plz help on question 4
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Answer:

(B.)

Explanation:

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The stalk that holds the anther up so that pollination and fertilization can occur is the _______. :
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The filament holds up the anther so that pollination and fertilization can occur!
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3 years ago
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Given the following equation, N2O(g) + NO2(g) → 3 NO(g) ΔG°rxn = -23.0 kJ
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Answer:

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Since ΔG°rxn < 0, this reaction is exergonic, that is, 23.0 kJ of energy are released. The Gibbs free energy is an extensive property, meaning that it depends on the amount of matter. Then, if we multiply the amount of matter by 3 (by multiplying the stoichiometric coefficients by 3), the ΔG°rxn will also be tripled.

3 N₂O(g) + 3 NO₂(g) → 9 NO(g) ΔG°rxn = -69.0 kJ

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