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35Cl2 (560 cm-1), 39K35Cl (281 cm-1), 1H2 (4401 cm-1). Calculate the force constants for these molecules if treated as harmonic oscillators. 

0.120 molmol of liquid bromine, Br2

Volume of water (INCLUDING UNITS) in 10 mL graduated cylinder after pouring 1 tsp: 

 
Trial 1: _____________ Trial 2: _____________ Trial 3: _

As a train accelerates away from a Station, it reaches a speed of 3.9 m/s in 7.2 seconds. If the train's acceleration is constant, what is it's speed after an additional 4.5 seconds have elapsed?

A) 3.8 m/s

B) 4.2 m/s

C) 5.7 m/s

D) 6.3 m/s

Calculate the concentration of a solution in mol/L that contains 6.02 x 10^23 ions of a monatomic cation with a mass of 65 g/mol.