Chemistry, 30.01.2020 04:01, obliviousho2018
A0.060 kilogram ice cube at 0.0 degrees celsius is placed in a glass containing 0.250 kilograms of water at 25 degrees celsius. which statement best describes this system when equilibrium is reached? (assume no external exchange of heat)
1. the ice is completely melted and the water temperature is above 0 degrees celsius
2. the ice is completely melted and the water temperature is 0 degrees celsius
3. part of the ice remains frozen and the water temperature is above 0 degrees celsius
4. part of the ice remains frozen and the water temperature is 0 degrees celsius.
Answers: 1
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Chemistry, 23.06.2019 01:30, jonmorton159
At a certain temperature the rate of this reaction is first order in hi with a rate constant of : 0.0632s2hig=h2g+i2g suppose a vessel contains hi at a concentration of 1.28m . calculate how long it takes for the concentration of hi to decrease to 17.0% of its initial value. you may assume no other reaction is important. round your answer to 2 significant digits.
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