What Is pH? — Definition & Overview
Read this topicExplanations 5
- pH (Biology) You might be wondering "What on Earth is pH?" Hopefully this will help it make sense. The p in pH actually doesn't have a set definition. Some scientists argue it m…
By Deena Hauze, Alex Federspiel, Gabi Slizewska, Mario Janakis, Caroline K
- What Is pH? Think of pH as a measure of how acidic something is. There's some chemistry and math behind this, but truthfully all you need to have a handle on now is that pH meas…
By Hannah Bonville, Alex Federspiel, Deena Hauze, Mario Janakis, Caroline K
- The Science of pH pH is a metric of how many hydrogen ions there are in a given system. More specifically, the pH of something is given by the following equation, pH=−log10[H+]p…
By Jasper Brown, Mario Janakis, Deena Hauze
- (Video) pH and pOH by CrashCourse If you want to learn about pH, watch this video. The pH scale ranges from 0 to 14. Acidic substances have pH between 0 and 7, and basic substan…
By Gabi Slizewska, Mario Janakis
- Explanation #8780
By Sylvia Freeman, Mario Janakis
Problems 24
- What information does the pH give? *Select all correct answers
- What pH range indicates acidity?
- According to the data in the graph above, which of the statements below is correct?
- According to the chart above, which substance is the most basic?
- Which of the substances listed below has pH closest to neutral?
- A certain substance has a pH of 5. How could it be classified based on its pH?
- The pH paper in the picture above turns blue when the concentration of OH−^-− ions is greater than the H+^++ ions. It turns red when the solution has more H+^++ ions. Based on t…
- Fill in the blank: A solution with a pH of 4 has woah‾\underline{\phantom{woah}}woah than a solution with a pH of 5. *Check all correct answers.
- What is the name of the OH−^-− ion?
- Another name for an alkaline solution is a woah‾\underline{\phantom{woah}}woah.
- What does pH measure?
- Pure water has ______ when compared to acid rain.
- Which of the following substances will have the smallest pH value?
- Select the option that best completes this sentence. A small decrease in pH is ____________________________.
- Bases have a pH range of woah‾\underline{\phantom{woah}}woah.
- What is the name of the H+^++ ion?
- Water has a higher pH value than hydrochloric acid (HCl). Based on this information, which of the following statements is false?
- Based on this information, which of the following statements best describes why the citric acid is added to the bath bombs.
- Adding an acid to water woah‾\underline{\phantom{woah}}woah.
- Based on the information above, which of the following statements is true?
- Which could be added to water to form a basic solution?
- Acids, like HCl, can be neutralized by the addition of a base, such as NaOH. Which process will result in the most acidic solution?
- You are doing an experiment to determine whether pollution in your area is causing acid rain. In order to test this, you get a sample of rainwater from the countryside to use as…
- You are given 3 mystery solutions and told one is an acid, and the other two are bases. What could you do to safely determine which solution is acidic?