What is the mass of the second sphere
A(n) 4.23 kg sphere makes a perfectly in-elastic collision with a second sphere that is initially at rest. The composite system moves with a speed equal to one-third the original speed of the 4.23 kg sphere. What is the mass of the second sphere?
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A beaker with 145ml of an acetic acid buffer with a pH of 5.000 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100M . A student adds 4.20ml of a 0.370 M solution to the beaker. How much will the pH chan
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