1. a substance with a ph of 3 2. a substance with a ph of 10 3. a substance with a ph of 7 4. an indicator 5. a scale that represents the concentration of h30+, 0-14 a.) phenolphthalein b.) base c.) ph scale d.) neutral e.) acid

1. a substance with a pH of 3: acid  

2. a substance with a pH of 10:  base

3. a substance with a pH of 7: neutral

4. an indicator: phenolphthalein  

5. a scale that represents the concentration of , 0-14: pH scale

Explanation:-

pH or pOH is the measure of acidity or alkalinity of a solution.

pH is calculated by taking negative logarithm of hydrogen ion concentration and pOH is calculated by taking negative logarithm of hydroxide ion concentration.

On the pH scale ranging from 0 to 14 , Acids have pH ranging from 0 to 6.9, bases have pH ranging from 7.1 to 14 and neutral solutions have pH equal to 7.

Indicators show a change or appearance in color at particular pH. Phenolphthalein is one such acid base indicator which shows pink color in basic solutions and colorless in acidic solutions.

a high pressure system is a dense air mass that is usually cooler and drier than the surrounding air. a low pressure system is a less dense air mass that is usually wetter and warmer than the surrounding air.

in general, areas that experience high atmospheric pressure also experience fair weather. low pressure systems can cause the formation of clouds and storms. air usually flows from areas of high pressure to areas of low pressure..

jupiter is the largest planet in our solar system, having a mass and radius that are respectively, 318 and 11.2 times that of earth. suppose that an object falls from rest near the surface of each planet and that the acceleration due to gravity remains constant during the fall. each object falls the same distance before striking the ground. determine the ratio of the time of fall on jupiter to that on earth.