Chemistry, 27.03.2020 05:31 robert7248
Which of the following is TRUE? Which of the following is TRUE? An effective buffer has a [base]/[acid] ratio in the range of 10 - 100. A buffer is most resistant to pH change when [acid] = [conjugate base] A buffer can not be destroyed by adding too much strong base. It can only be destroyed by adding too much strong acid. An effective buffer has very small absolute concentrations of acid and conjugate base. None of the above are true.
Answers: 2
Chemistry, 22.06.2019 14:50
How are evaporation and sublimation similar? a both involve the formation of a gas. b both release energy to the surroundings. c both take place throughout a solid. d both take place at the surface of a liquid.
Answers: 1
Chemistry, 22.06.2019 23:00
The data below were determined for the reaction shown below. s2o82– + 3i – (aq) → 2so42– + i3– expt. # [s2o82–] (m) [i –] (m) initial rate 1 0.038 0.060 1.4 × 10 – 5 m/s 2 0.076 0.060 2.8 × 10 – 5 m/s 3 0.076 0.030 1.4 × 10 – 5 m/s the rate law for this reaction must be:
Answers: 1
Chemistry, 23.06.2019 03:00
Abaker touches a pie right after taking it out of the oven. which statement best explains why the pie feels hot?
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Chemistry, 23.06.2019 06:30
Which of the following steps is not likely to take place during cellular respiration? (5 points) select one: a. oxygen combines with carbon of simple sugar. b. energy molecule transfers energy to cells. c. simple sugar breaks down. d. energy is used up.
Answers: 1
Which of the following is TRUE? Which of the following is TRUE? An effective buffer has a [base]/[ac...
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