Chemistry, 02.07.2019 21:00 kitttimothy55
A5 grams sample of liquid water evaporates into gaseous water in a closed container, expanding in the process. what is the mass after evaporation?
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Chemistry, 22.06.2019 01:30
There are main groups in the modern periodic table of elements
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Chemistry, 22.06.2019 06:00
Compare and contrast physical changes with chemical changes.
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Chemistry, 22.06.2019 08:00
Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.
Answers: 2
Chemistry, 22.06.2019 16:00
Which of the following is the correct definition of chemical energy? a. energy an object has because of its motion or position b. energy resulting from the flow of charged particles, such as electrons or ions c. energy produced from the splitting of atoms d. energy stored in chemical bonds of molecules
Answers: 1
A5 grams sample of liquid water evaporates into gaseous water in a closed container, expanding in th...
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