Chemistry, 23.03.2021 05:50 issagirl05
A gas has a volume of 399 mL at 25 C and 755 mm Hg of pressure. What volume will the gas occupy at 121 C and 642 mm Hg?
Answers: 1
Chemistry, 22.06.2019 04:30
Long term exposure to waves can cause sunburns and skin cancer. a) visible b) infrared c) gamma rays d) ultraviole
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Chemistry, 22.06.2019 19:40
Scientists have developed an explanation of a phenomenon from several verified hypotheses. the explanation has been confirmed through numerous experimental tests.which option best describes this explanation? a. scientific lawb. research questionc. hypothesisd. scientific theory
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Chemistry, 23.06.2019 06:00
When hydrogen peroxide (h2o2) is added to potassium iodide (ki) solution, the hydrogen peroxide decomposes into water (h2o) and oxygen (o2). the chemical equation for the decomposition reaction is: 2h2o2—> 2h2o + o2. what is the role of the potassium iodide in this reaction? a. reactant. b. product. c. precipitate. d. catalyst.
Answers: 1
A gas has a volume of 399 mL at 25 C and 755 mm Hg of pressure. What volume will the gas occupy at 1...
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