Calculate the decay rate of the sample
Tritium is a radioisotope of hydrogen having a half-life of 12.3 years. If you initially had 1.0 ⋅ 10-7 mole of tritium, calculate the decay rate of the sample.
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Why is a buffer composed of HC2H3O2 and NaC2H3O2 more effective maintaining the pH of a solution at pH 4.75 than is a buffer composed of HCN and NaCN?
Nitric acid is usually purchased in a concentrated form that is 70.3% HNO3 by mass and has a density of 1.41 g/mL. How much concentrated solution would you take to prepare 1.15L of 0.105M HNO3 by mixing with water? & ;
Assuming the acceleration is constant during each time interval (but not necessarily the same in both intervals), what distance does the shuttle travel during the first 8.00s ?
Fumaric acid, which occurs in many plants, contains 41.4% C, 3.47% H, and 55.1% O by mass. A 0.5 mol sample of this compound has a mass of 58.0 g. What is the chemical formula for this compound?
When 2-chloro-2-methylbutane is treated with a variety of strong bases, the products always seem contain two isomers (A and B) of formula C5H10.
What complications are imposed if one tries to implement a dynamic list using a traditional homogeneous array?
What is the name of the product formed by the reaction of propylide ion and 2-chloropropane?
Calculate: (a) the heat involved in the reaction and (b) the enthalpy of reaction in terms of the number of moles of Mg(s) used.
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