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Problem- Sulfur 35 is a radioactive isotope used in chemical and medical research. A 0.48 mg sample of S-35 has an activity of 20.4 Ci. What is the decay constant in 1/sec?
I need proficient help to working out this problem
have a buffer solution composed of 4.00 mol of acid and 1.75 mol of the conjugate base. If the pKa of the acid is 2.20, what is the pH of the buffer?
The maximum pressure that can be developed for a certain fluid power cylinder is 15.0 MPa. Compute the required diameter for the piston if the cylinder must exert a force of 30 kN.
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Predicting nuclear stability is important when determining whether or not a nuclear reaction can take place spontaneously.
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