answer
Chemistry, 15.10.2019 03:30 estefaniapenalo
Which of the following best expresses the definition of an open system? (2 points)
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energy can enter or leave the system but matter cannot.
heat and matter are both able to enter or leave the system.
matter can enter or leave the system but energy cannot.
heat and matter can enter the system but cannot leave the system.
Answers: 1
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Given sno2 + 2h2 - sn + 2h20 tin oxide reacts with hydrogen to produce tin and water. how many moles of sno2 are needed to produce 500.0 grams of sn?
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Over the last 90 years, scientists have added to the body of evidence supporting the big bang theory. what is the latest piece of evidence discovered in 2014?
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Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li
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Chemistry worksheet - i am not sure what they are asking for exactly?
Answers: 1
Which of the following best expresses the definition of an open system? (2 points)
answer
answer
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