The number of neutrons can be calculated by: ( me)
a. neutrons = mass number - electro...
Chemistry, 14.10.2019 21:30 destinysmithds7790
The number of neutrons can be calculated by: ( me)
a. neutrons = mass number - electrons
b. neutrons = atomic number - mass number
c. neutrons = mass number - atomic number
d. neutrons = atomic number + electrons
Answers: 3
Chemistry, 21.06.2019 21:10
Harvey mixes two liquids. which observation of the new mixture most likely indicates a precipitate is forming?
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Which element forms an ionic bond with flourine? 1) fluorine 2) carbon 3) potassium 4) oxygen
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Chemistry, 22.06.2019 04:00
Two nitro no2 groups are chemically bonded to a patch of surface. they can't move to another location on the surface, but they can rotate (see sketch at right). it turns out that the amount of rotational kinetic energy each no2 group can have is required to be a multiple of ε, where =ε×1.010−24 j. in other words, each no2 group could have ε of rotational kinetic energy, or 2ε, or 3ε, and so forth — but it cannot have just any old amount of rotational kinetic energy. suppose the total rotational kinetic energy in this system is initially known to be 32ε. then, some heat is removed from the system, and the total rotational kinetic energy falls to 18ε. calculate the change in entropy. round your answer to 3 significant digits, and be sure it has the correct unit symbol.
Answers: 2
Chemistry, 22.06.2019 12:30
The melting point of sulfur is 115 °c and its boiling point is 445 °c. what state would sulfur be in at 200 °c?
Answers: 1
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