Chemistry, 20.11.2020 21:50 kcarstensen59070
To determine the amount of ozone in air, scientists pass the air
sample through a solution containing potassium iodide, which
removes the ozone according to the following equation:
O3 (g) + 2 KI(aq) + H2O (l) O2 (g) + I2 (s) + 2 KOH(aq)
a. How many grams of potassium iodide are needed to
react with 52.7 mg of O3?
b. According to the above reaction, how many grams of potassium hydroxide is formed together with
24.8 grams of iodine?
Answers: 2
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Embryos of different species look very similar, which shows that the organisms share a ancestor.
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The wave shown on the electromagnetic spectrum disturb the medium it passes through a)different frequency. b)the same frequency .
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How does a scientist the government? a. the scientist tells people in society what to do. b. the scientist determines the policies that the government spends money on. c. the scientist provides unbiased information to the government. d. the scientist makes laws based on his or her research results.
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Chemistry, 22.06.2019 15:20
Draw any one of the skeletal structures of a 2° alkyl bromide having the molecular formula of c6h13br and two stereogenic centers. indicate chirality by using wedge and hashed wedge notation. lone pairs do not need to be shown.
Answers: 1
To determine the amount of ozone in air, scientists pass the air
sample through a solution containi...
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