Chemistry, 01.07.2019 05:40 bosskid361
The radioactive isotope 238u decays in a series of nuclear reactions that includes another uranium isotope, 234u, and three lead isotopes, 214pb, 210pb, and 206pb. how many neutrons, protons, and electrons are in each of these five isotopes
Answers: 1
Chemistry, 21.06.2019 21:00
Match the following items. 1. high-intensity bundle of energy being emitted from some decaying nuclei gamma ray 2. particle radiating from the nucleus of some atoms beta particle 3. negative particle identical to an electron but radiating from a decaying nucleus alpha particle
Answers: 1
Chemistry, 23.06.2019 13:30
How does water evaporating from a glass show that matter is made up of particles? a. the heat energy from the air causes the glass to fill up with water particles. b. the liquid water particles turn into water vapor that spreads in the air. c. the particles of the glass dissolve in water and cause it to evaporate. d. the tiny particles of the glass evaporate and seem to disappear.
Answers: 2
Chemistry, 23.06.2019 21:10
What is the difference between a strong acid and a weak acid? there is no difference between a strong acid and a weak acid because they are both acids. a strong acid will react with a base. a weak acid will not. a strong acid will produce a larger amount of ions than a weak acid. a strong acid will produce a smaller amount of ions than a weak acid.
Answers: 3
Chemistry, 23.06.2019 22:20
For a reaction delta h= -286 kj. when is the reaction spontaneous a: when t delta s = 2(-286 kj) b: when t delta s= -286 kj c: when t delta s < -286 kj d: when t delta s > 0
Answers: 3
The radioactive isotope 238u decays in a series of nuclear reactions that includes another uranium i...
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