Chemistry, 15.01.2021 04:10, FlayMaster101
Conclusion: (20 pts)
1. Place the five substances in order of increasing pH-from most acidic to most basic. (2 points)
2. Orange juice has a pH of 4. What color would you expect the paper test strip to be after it is dipped in a sample of orange juice?
(2 points)
3. Determining the pH of substances such as purple grape juice and catsup using test strips can be difficult. Why? (3 points)
4. Tear-free shampoos are advertised as having a pH similar to that of human tears. What pH would you expect tear-free
shampoos to be? Use evidence from the lab activity to support your response. (5 points)
5. What is the approximate hydronium ion concentration and hydroxide ion concentration in a cup of tea? Which is higher? (Refer
back to the chart of pH if you need to.) (4 points)
6. What is the approximate hydronium ion concentration and hydroxide ion concentration in bleach? Which is higher? (4 points)
Answers: 1
Chemistry, 22.06.2019 22:30, kiera2599
3.09 lab: reaction of metals 1 which combinations of substances resulted in a chemical change? for each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. make a general statement about the reactivity of the metals in this experiment.
Answers: 1
Chemistry, 23.06.2019 01:00, aliviadushane
If a straight-chain hydrocarbon is a gas at room temperature, how many carbon atoms will it have? a. 6 carbon atoms b. 12 carbon atoms c. 24 carbon atoms d. 3 carbon atoms
Answers: 1
Chemistry, 23.06.2019 04:00, hailey200127
What is the volume of 2.5 moles of nitrogen gas (n2)at standard temperature and pressure (stp)?
Answers: 1
Conclusion: (20 pts)
1. Place the five substances in order of increasing pH-from most acidic to m...
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