Determine the number of molecules remain un-reacted
Starting with 1.00 × 1020 molecules of reactant at time t = 0, a first-order reaction has a half-life of 20.0 minutes. Determine the number of molecules remain un-reacted after 100.0minutes?
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Julius Caesar expired, Julius Caesars exhalation had a volume of 500cm3 and contained 1 mole percent argon when the Julius Caesar. Suppose that P=1 atm and the T=300 K at the location of his demise.
Determine the standard deviation of total amount of time in minutes the operator will spend on calls each day? Provide your answer to four decimal places.
Determine how many turns per unit length should the solenoid encompass in order for the generator to produce a peak emf of 1000 V?
Automobile batteries contain sulfuric acid, referred to as "battery acid." If the solution has a density of 1.28 g/mL and is 38.1 sulfuric acid by mass, determine the number of grams of sulfuric acid in 0.500 L of battery acid.
In the early years of twenty-first century, annual salaries for federal employees in Upper Midwest averaged approximately $42,000, with population standard deviation (s) of $4,900.
A inductor of 5.00 mH consists of a current of 7.50 mA flowing through it, whereas a 5.00 mF capacitor holds a charge of 7.50 mC. (i) Determine the magnetic potential energy stored in the inductor?
The safety regulation states that maximum angle of elevation for the rescue ladder is 72 degrees. Fire depatment longest ladder is 110 feet determine max safe rescue height?
When you draw the Lewis structure, how do you know where the plus and minus signs go. For example, [CH3OH2]+.
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