Chemistry, 30.07.2019 06:10 kiaramccurty
Asample of sulfur hexafluoride gas occupies 9.53 l at 215°c. assuming that the pressure remains constant, what temperature (in °c) is needed to reduce the volume to 4.36 l? report your answer to the proper number of significant figures.
Answers: 1
Chemistry, 21.06.2019 22:00
Bohr's model could only explain the spectra of which type of atoms? single atoms with one electron single atoms with more than one electron bonded atoms with one electron bonded atoms with more than one electron
Answers: 2
Chemistry, 22.06.2019 16:50
Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.
Answers: 1
Chemistry, 23.06.2019 03:30
If you need to add 27.50ml of a solution, which piece of glassware would you use to deliver this volume and explain how you would determine if the 27.50 ml was measured?
Answers: 2
Chemistry, 23.06.2019 03:30
In chemistry, the type of an atom (what element it is) is determined by: a) the number of protons it contains in its nucleus.b) the number of neutrons it contains in its nucleus.c) the number of protons it has in a cloud around the nucleus.d) the number of neutrons it has in a cloud around the nucleus.e) the number of electrons it exchanges with its neighbors.
Answers: 1
Asample of sulfur hexafluoride gas occupies 9.53 l at 215°c. assuming that the pressure remains cons...
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