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Chemistry, 22.06.2019 09:00
How are isotopes of the same chemical element alike? how are they different?
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Chemistry, 22.06.2019 21:40
A5 mole sample of liquid acetone is converted to a gas at 75.0Β°c. if 628 j are required to raise the temperature of the liquid to the boiling point, 15.600 kj are required to evaporate the liquid, and 712 j are required to raise the final temperature to 75.0Β°c, what is the total energy required for the conversion?
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Chemistry, 22.06.2019 23:00
The data below were determined for the reaction shown below. s2o82β + 3i β (aq) β 2so42β + i3β expt. # [s2o82β] (m) [i β] (m) initial rate 1 0.038 0.060 1.4 Γ 10 β 5 m/s 2 0.076 0.060 2.8 Γ 10 β 5 m/s 3 0.076 0.030 1.4 Γ 10 β 5 m/s the rate law for this reaction must be:
Answers: 1
Chemistry, 22.06.2019 23:10
Afusion reaction takes place between carbon and another element. neutrons are released, and a different element is formed. the different element is a) lighter than helium.b)heavier than helium.c)the same weight as helium.d)dependent on the element that reacted with carbon.
Answers: 3
What does H stand for in he periodic table of elements...
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