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Problem- The mass spectrum of an organic compound shows the relative abundances of M to be 64.57% and M 1 to be 16.06%. Assuming the peaks are caused by 12C and 13C isotopes, determine the number of carbon atoms in the compound. Natural abundances: 12C is 98.93% and 13C is 1.07%
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how much heat in is evolved or absorbed in the reaction of 2.28 grams of sodium na with water h2o express your answer
Not more than 5 H-bond donors (OH or NH) Not more than 10 H-bond acceptors (O or N) MW less than 500 g/mol What is the rational for the Rule of Five?
The specific heat capacity of silver is 0.24 J/°C · g. Calculate the energy required to raise the temperature of 120.0 g Ag from 273 K to 305 K
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Suppose that 25g of each of the following substances is initially at 27.0 degrees C. What is the final temperature of each substance upon absorbing 2.30kJ of heat
Calculate [H+] and the pH of the following solutions.
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