Chemistry, 28.08.2019 11:20 BigGirlsTheBest
Which reaction will occur?
2nabr + i2 mc023-1.jpg 2nai + br2
2fe + al2o3 mc023-2.jpg 2al + fe2o3
2agno3 + ni mc023-3.jpg ni(no3)2 + 2ag
pb + zn(c2h3o2)2 mc023-4.jpg zn + pb(c2h3o2)2
Answers: 2
Chemistry, 22.06.2019 14:10
13. a covalent bond between two atoms is likely to be polar if: a. one of the atoms is much more electronegative than the other. b. the two atoms are equally electronegative. c. the two atoms are of the same element. d. the bond is part of a tetrahedrally shaped molecule. e. one atom is an anion.
Answers: 1
Chemistry, 22.06.2019 18:40
What is the binding energy of a nucleus that has a mass defect of 5.81*10-^29 kg a 5.23*10-^12 j b 3.15* 10^12 j c 1.57*10-3 j d 9.44*10^20 j
Answers: 1
Chemistry, 23.06.2019 04:40
Temperature is defined as a. the equivalent of heat. b. a measure of the average kinetic energy of the individual atoms or molecules composing a substance. c. how hot or cold it is. d. the total kinetic energy of the atoms or molecules composing a substance. e. none of the above is correct.
Answers: 1
Which reaction will occur?
2nabr + i2 mc023-1.jpg 2nai + br2
2fe + al2o3 mc023-2.jpg 2a...
2nabr + i2 mc023-1.jpg 2nai + br2
2fe + al2o3 mc023-2.jpg 2a...
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