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
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In science class richard learns that a substance has a boiling point of 230 fahrenheit his teacher ask him to convert this temperature to degrees celsius what is the boiling point of his substance in degrees celsius
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Which one of the following is an oxidation-reduction reaction? naoh + hno3 --> h2o + kno3 naoh + hno3 --> h2o + kno3 so3 + h2o --> h2so4 cacl2 + na2co3 --> caco3 + 2 nacl ch4 + 2 o2 --> co2 + 2 h2o al2(so4)3 + 6 koh --> 2 al(oh)3 + 3 k2so4
Answers: 3
Conclusion: (20 pts)
1. Place the five substances in order of increasing pH-from most acidic to m...
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