Chemistry

Chemistry, 01.10.2019 03:00, junior1391

What two ions form when water dissociates?

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Biology, 05.07.2019 15:10, DeonJ

Which of the following best describes a weak base? o a. it only partially dissociates and produces oh ions in water. o b. it dissociates completely and produces htions in water. o c. it dissociates completely and produces oh ions in water. o d. it only partially dissociates and produces t ions in water.

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Chemistry, 21.07.2019 23:30, daniellekennedy05

Nitric acid, hno3, dissociates in water to form nitrate ions and hydronium ions. what change in hybridization of the nitrogen atom occurs in this dissociation

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Biology, 09.09.2019 18:30, jtmoney10

For each statement below, indicate whether it is true or false. 1. breaking the hydrogen bond between 2 water molecules is called dissociation. 2. when water dissociates, an oxygen atom separates from the rest of the molecule. 3. the hydroxide ion has an overall charge of negative one. 4. a hydrogen ion is the same as a proton. 5. when a hydrogen ion separates from a water molecule, it usually combines with another water molecule to form a hydronium ion. 6. a hydronium ion has the formula h2o+. 7. in pure water, at 25oc, about 10% of the water molecules are dissociated at any given time. 8. in pure water, the concentration of hydrogen ions always equals the concentration of hydroxide ions. 9. in pure water, the concentration of hydrogen ions is 1 x 107 molar. 10. water dissociates into oppositely charged ions.

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Advanced Placement (AP), 16.09.2019 22:40, marelinatalia2000

1~ which of the following is the bronsted-lowry definition of an acid? a). a substance the dissociates in water to produce hydroxide ions [oh-] b). any substance that can accept hydrogen ions [h+] c). a substance that dissociates in water to produce hydrogen ions [ h+] d). any substance that can donate hydrogen ions [h+] 2~ bronsted and lowry defined an acid as which of the following? a). substances that accepts a pair of electrons to form a covalent bond b). substances that donates a pair of electrons to form a covalent bond c). substance that donates h+ ions d). substance that accepts h+ ions 3~ what is the [h+] of a solution with a ph of 5.0? use a scientific calculator. a). 5.0 x 10^-5 b). 7.7 x 10^5 c). 1.0 x 10^5 d). 2.5 x 10^-6

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