Chemistry, 24.08.2019 22:20 garcser257278
Equal volumes of h2 and o2 are placed in a balloon and then ignited. assuming that the reaction goes to completion, which gas will remain in excess?
2h2 + o2 → 2h2o
Answers: 2
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 09:00
Which two scientific disciplines are bridged by pharmaceutical drugs? chemistry and forensics chemistry and medicine biology and forensics biology and criminology
Answers: 3
Chemistry, 22.06.2019 09:50
Achemist has dissolved a certain substance in water. the chemist knows that more of the substance could be dissolved into the water before it stops dissolving. therefore
Answers: 2
Equal volumes of h2 and o2 are placed in a balloon and then ignited. assuming that the reaction goes...
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