Chemistry, 10.09.2021 14:00 edandjill24
Calculate the mass in carbon units respectively: 7K , 12Si , 15P
Answers: 3
Chemistry, 22.06.2019 00:00
Which of the following statements is true? a. elements in the last period are radioactive. b. atomic weight is the same as atomic mass. c. elements in the same group have the same number of electron shells. d. atomic number equals the number of neutrons in the nucleus of an atom.
Answers: 1
Chemistry, 22.06.2019 00:40
Base your answer on the information below and on your knowledge of chemistry. nitrogen dioxide, no2, is a dark brown gas that is used to make nitric acid and to bleach flour. nitrogen dioxide has a boiling point of 294 k at 101.3 kpa. in a rigid cylinder with a movable piston, nitrogen dioxide can be in equilibrium with colorless dinitrogen tetroxide, n2o4. this equilibrium is represented by the equation below. 2no2(g) n2o4(g) + 58kj at standard pressure, compare the strength of intermolecular forces in no2(g) to the strength of intermolecular forces in n2(g).
Answers: 2
Chemistry, 22.06.2019 07:50
In which situation can a mixture always be called a solution
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Chemistry, 22.06.2019 19:00
Which statement best describes what happens when molecular compounds melt
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Calculate the mass in carbon units respectively: 7K , 12Si , 15P...
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