Chemistry, 12.05.2021 18:50 carsengilbert
Do u believe that you are beautiful/handsome?
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Chemistry, 22.06.2019 13:00
Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?
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Chemistry, 23.06.2019 04:10
Two solids are mixed in a flask and stirred. after a few minutes, the flask becomes cold. which of the following best describes this reaction? a. an exothermic reaction b. a combustion reaction c. an endothermic reaction d. a decomposition reaction
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Chemistry, 23.06.2019 10:30
When a chemist collects hydrogen gas over water, she ends up with a mixture of hydrogen and water vapor in her collecting bottle. if the pressure in the collecting bottle is 97.1 kilopascals and the vapor pressure of the water is 3.2 kilopascals, what is the partial pressure of the hydrogen?
Answers: 1
Chemistry, 23.06.2019 15:00
What is the volume in liters of 7500 g of helium atoms. assume stp conditions.
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