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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
Chemistry, 22.06.2019 11:50
Acompound has a molecular weight of 12.124 atomic mass units and the empirical formula c3h40. what is the molecular formula of the compound?
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Convert the temperature of dry ice, –77 ∞c, into degrees fahrenheit and kelvin.
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How many oxygen atoms are there in 3.15 moles of hcl manganese (iv) oxide, mno2
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Aweight lifter raises a 1600 n barbell to a height of 2.0 meters. how much work was done? w = fd a) 30 joules b) 3000 joules c) 320 joules d) 3200 joules
Answers: 2
Which of the following best expresses the definition of an open system? (2 points)
answer
answer
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