Physics

Physics, 23.07.2019 09:00, 364781

Acertain indicator has a color chart that shows that when the indicator is yellow, the solution is acidic. what is true about a solution that produces a yellow indicator? a. the solution has more hydronium ions than hydroxide ions. b. the solution contains neither hydroxide ions nor hydronium ions. c. the solution contains nothing but water. d. the solution has a ph greater than 7.

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Chemistry, 21.07.2019 08:30, billy1123

Acertain indicator has a color chart that shows that when the indicator is yellow, the solution is acidic. what is true about a solution that produces a yellow indicator?

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Biology, 03.08.2019 10:50, angelteddy033

The ph indicator bromothymol blue is blue in an alkaline solution and yellow in an acidic solution. a slight increase in acidity, such as when co2 gas is added, causes a solution with the indicator to change from blue to yellow. a solution with the indicator would be most likely to turn from yellow to blue when which combination of factors exists? a. yeast cells and sugar are placed in the solution. b. water plants in the solution are placed under a bright lamp. c. algae are placed in the solution and left in a dark room. d. a person blows air into the solution through a straw.

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Chemistry, 30.08.2019 15:30, jreasley3783

Universal indicator is an acid/base indicator that can be added to a solution to determine its ph. universal indicator turns solutions different colors based on its ph.a student adds universal indicator to a solution, and the solution turns the color shown below.the solution must be a. strongly basic. b. strongly acidic. c. slightly basic. d. slightly acidic.

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Physics, 21.11.2019 19:31, perezz97

Ph is an indicator of how acidic or basic a substance is. the ph scale ranges from 0 - 14, with 7 representing neutral. acids have a ph below 7; bases, a ph greater than 7. scientists determine the ph of a substance by using an indicator; indicators change color depending on the ph of a substance. different indicators work at different ph ranges, as seen in the table above. the transition range of an indicator is the range of ph when the indicator changes from its low-ph color to its high-ph color. if the indicator shows a color between the two, then the ph lies somewhere in that transition range. student groups are given an unknown liquid to test using the four indicators. one group conducts the tests and records these results. color changes - ph indicators indicator used color produced methyl violet bluish bromophenol blue yellow phenolphthalein colorless thymolphthalein colorless using the table of indicator values, determine the approximate ph of the unknown solution. a) 1.6 b) > 3.0 c) between 0 and 1.6 d) between 1.6 and 3.0

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