Which element easily loses one electron to form a positive ion? (AKS 1c/DOK 1)
A.
Nitrogen (...
Chemistry, 10.02.2021 23:50 danielacortevpe3i66
Which element easily loses one electron to form a positive ion? (AKS 1c/DOK 1)
A.
Nitrogen (N)
B.
Bromine (Br)
C.
Potassium (K)
D.
Magnesium (Mg)
Answers: 2
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Two people each hold the end of a rope and create waves by moving their arms up and down. this wave is best classified as a transverse wave because a) both the rope particles and the wave are moving in the same direction. b) the wave is moving up and down as the particles of the rope move horizontally. c) the wave is moving horizontally as the particles of the rope move up and down. eliminate d) the wave is moving in a parallel direction with the motion of the person's arms.
Answers: 3
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4.25g sample of solid ammonium nitrate dissolves in 60.0g of water in a coffee-cup calorimeter, the temperature drops from 22.0 c to 16.9 c. assume that the specific heat of the solution is the same as that of pure water. calculate delta(h) (in kj/mol nh4no3) for the solution proces.
Answers: 2
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