1) Describe the atomic theory of atoms. How does this help us understand differences the three states of matter?
2) What is the difference between physical change and chemical change?
3) Explain the law of conservation of mass. Give an example of how mass is conserved using numbers to justify your answer.
4) Describe how temperature influences chemical changes.
Answers: 3
Chemistry, 22.06.2019 12:30
The missing component to the table to the right or indicated with orange letters complete the table by filling in the corresponding numbers or symbols
Answers: 3
Chemistry, 22.06.2019 17:30
Consider the story you just read. all but one of the choices below indicate that something is living.
Answers: 1
Chemistry, 22.06.2019 20:30
Which of the following is not true about the atomic model of substances?
Answers: 1
Chemistry, 22.06.2019 22:00
4.25g sample of solid ammonium nitrate dissolves in 60.0g of water in a coffee-cup calorimeter, the temperature drops from 22.0 c to 16.9 c. assume that the specific heat of the solution is the same as that of pure water. calculate delta(h) (in kj/mol nh4no3) for the solution proces.
Answers: 2
1) Describe the atomic theory of atoms. How does this help us understand differences the three state...
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