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- https://chem.libretexts.org/Courses/Northern_Alberta_Institute_of_Technology/CHEM1130_Principles_in_Chemistry_I/5%3A_Acids%2C_Bases%2C_and_pH/5.4%3A_pH_and_pOHThe concentration of hydronium ion in a solution of an acid in water is greater than 1.0×10−7M at 25 °C. The concentration of hydroxide ion in a solution of a base in water is greate...The concentration of hydronium ion in a solution of an acid in water is greater than 1.0×10−7M at 25 °C. The concentration of hydroxide ion in a solution of a base in water is greater than 1.0×10−7M at 25 °C. The concentration of H3O+ in a solution can be expressed as the pH of the solution; pH=−logH3O+. The concentration of OH− can be expressed as the pOH of the solution: pOH=−log[OH−]. In pure water, pH = 7 and pOH = 7.
- https://chem.libretexts.org/Courses/City_College_of_San_Francisco/CCSF_Chemistry_Resources/01%3A_CHE_101_-_Introduction_to_General_Chemistry/1.05%3A_Acid-Base_Equilibria/1.5.01%3A_pH_and_pOHThe concentration of hydronium ion in a solution of an acid in water is greater than 1.0×10−7M at 25 °C. The concentration of hydroxide ion in a solution of a base in water is greate...The concentration of hydronium ion in a solution of an acid in water is greater than 1.0×10−7M at 25 °C. The concentration of hydroxide ion in a solution of a base in water is greater than 1.0×10−7M at 25 °C. The concentration of H3O+ in a solution can be expressed as the pH of the solution; pH=−logH3O+. The concentration of OH− can be expressed as the pOH of the solution: pOH=−log[OH−]. In pure water, pH = 7 and pOH = 7.
- https://chem.libretexts.org/Bookshelves/Environmental_Chemistry/Supplemental_Modules_(Environmental_Chemistry)/Biochemical_Cycles
- https://chem.libretexts.org/Under_Construction/Purgatory/CHEM_2100%3A_General_Chemistry_I_(Mink)/14%3A_Acid-Base_Equilibria/14.02%3A_pH_and_pOHThe concentration of hydronium ion in a solution of an acid in water is greater than 1.0×10⁻⁷M at 25 °C. The concentration of hydroxide ion in a solution of a base in water is greater than 1.0×10⁻⁷M M...The concentration of hydronium ion in a solution of an acid in water is greater than 1.0×10⁻⁷M at 25 °C. The concentration of hydroxide ion in a solution of a base in water is greater than 1.0×10⁻⁷M M at 25 °C. The concentration of H₃O⁺ in a solution can be expressed as the pH of the solution; pH=−log H₃O⁺. The concentration of OH⁻ can be expressed as the pOH of the solution: pOH=−log[OH⁻].
- https://chem.libretexts.org/Ancillary_Materials/Demos_Techniques_and_Experiments/Lecture_Demonstrations/Coloring_Without_CrayonsPrior to the demo, use a paintbrush dipped in the phenolphthalein indicator to paint a picture on the large piece of paper. The piece of paper is slightly acidic, and the phenolphthalein indicator is ...Prior to the demo, use a paintbrush dipped in the phenolphthalein indicator to paint a picture on the large piece of paper. The piece of paper is slightly acidic, and the phenolphthalein indicator is also acidic, as can be seen from the way it is colorless on the paper. The sodium hydroxide, however, is a base containing hydroxide ions (OH-), so when it is added to the picture, it turns the indicator a bright pinkish color.
- https://chem.libretexts.org/Workbench/Chemistry_LHS_Bridge/19%3A_LipidsLipids are biomolecules which are soluble in organic non-polar solvents. Consequently, fats and lipids are insoluble in water. Glycerides and waxes form a sub-group of compounds which have an ester as...Lipids are biomolecules which are soluble in organic non-polar solvents. Consequently, fats and lipids are insoluble in water. Glycerides and waxes form a sub-group of compounds which have an ester as the major functional group and include: waxes, triglycerides, and phospholipids. Another diverse group of compounds which do not have any ester functional groups are also classified as lipids including: steroids, fatty acids, soaps, sphingolipids, and prostaglandins.
- https://chem.libretexts.org/Courses/City_College_of_San_Francisco/Chemistry_101A/Topic_G%3A_Chemical_Equilibrium/12%3A_Introduction_to_AcidBase_Equilibria/12.03%3A_pH_and_pOHThe concentration of hydronium ion in a solution of an acid in water is greater than 1.0×10−7M at 25 °C. The concentration of hydroxide ion in a solution of a base in water is greate...The concentration of hydronium ion in a solution of an acid in water is greater than 1.0×10−7M at 25 °C. The concentration of hydroxide ion in a solution of a base in water is greater than 1.0×10−7M at 25 °C. The concentration of H3O+ in a solution can be expressed as the pH of the solution; pH=−logH3O+. The concentration of OH− can be expressed as the pOH of the solution: pOH=−log[OH−]. In pure water, pH = 7 and pOH
- https://chem.libretexts.org/Courses/Nassau_Community_College/General_Chemistry_II/03%3A_Acid-Base_Equilibria/3.02%3A_pH_and_pOHThe concentration of hydronium ion in a solution of an acid in water is greater than 1.0×10−7M at 25 °C. The concentration of hydroxide ion in a solution of a base in water is greate...The concentration of hydronium ion in a solution of an acid in water is greater than 1.0×10−7M at 25 °C. The concentration of hydroxide ion in a solution of a base in water is greater than 1.0×10−7M at 25 °C. The concentration of H3O+ in a solution can be expressed as the pH of the solution; pH=−logH3O+. The concentration of OH− can be expressed as the pOH of the solution: pOH=−log[OH−]. In pure water, pH = 7 and pOH = 7.
- https://chem.libretexts.org/Courses/College_of_the_Canyons/CHEM_202%3A_General_Chemistry_II_OER/05%3A_Acid-Base_Equilibria/5.02%3A_pH_and_pOHThe concentration of hydronium ion in a solution of an acid in water is greater than 1.0×10⁻⁷M at 25 °C. The concentration of hydroxide ion in a solution of a base in water is greater than 1.0×10⁻⁷M M...The concentration of hydronium ion in a solution of an acid in water is greater than 1.0×10⁻⁷M at 25 °C. The concentration of hydroxide ion in a solution of a base in water is greater than 1.0×10⁻⁷M M at 25 °C. The concentration of H₃O⁺ in a solution can be expressed as the pH of the solution; pH=−log H₃O⁺. The concentration of OH⁻ can be expressed as the pOH of the solution: pOH=−log[OH⁻].
- https://chem.libretexts.org/Courses/University_of_North_Carolina_Charlotte/CHEM_2141%3A__Survey_of_Physical_Chemistry/08%3A_Optional-_Special_topics/8.03%3A_Biochemical_Cycles/8.3.02%3A_Carbon_CycleThe simplified version of this chemical reaction is to utilize carbon dioxide molecules from the air and water molecules and the energy from the sun to produce a simple sugar such as glucose and oxyge...The simplified version of this chemical reaction is to utilize carbon dioxide molecules from the air and water molecules and the energy from the sun to produce a simple sugar such as glucose and oxygen molecules as a by product. Some of the dissolved carbon dioxide remains in the water, the warmer the water the less carbon dioxide remains in the water. As the shelled organisms die, bits and pieces of the shells fall to the bottom of the oceans and accumulate as sediments.
- https://chem.libretexts.org/Courses/South_Puget_Sound_Community_College/Chem_121%3A_Introduction_to_Chemistry/09%3A_Chapter_8A_-_Acids_bases_and_pH/9.02%3A_The_pH_Scale_(Acidic_Basic_Neutral_solutions)/9.2.02%3A_Hydroniun_ion_concentrationThe concentration of hydronium ion in a solution of an acid in water is greater than 1.0×10−7M at 25 °C. The concentration of hydroxide ion in a solution of a base in water is greate...The concentration of hydronium ion in a solution of an acid in water is greater than 1.0×10−7M at 25 °C. The concentration of hydroxide ion in a solution of a base in water is greater than 1.0×10−7M at 25 °C. The concentration of H3O+ in a solution can be expressed as the pH of the solution; pH=−logH3O+. The concentration of OH− can be expressed as the pOH of the solution: pOH=−log[OH−]. In pure water, pH = 7 and pOH = 7.
