Determine the number of disintegrations per minute
Determine the number of disintegrations per minute in a 6.97 mg sample of 238U, by assuming that the half-life is 4.97x109 years.
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Compute µ the expected number of repeat offenders out of five. Compare?, the standard deviation of the number of repeat offenders out of five
Determine the numbers of d-d transitions of different energies can be expected for each? Pd 2+ Cu 2+ both complexes have the square planar structures.
The lithium reacted totally with the water to form the 250mL of hydrogen gas, at 23 degrees C collected over the water, at which temperature the vapor pressure of water is 21.07 Torr.
How many grams of every alloy is needed to produce 80 grams of the new alloy which is 34% silver if amount of 30% alloy utilized is twice amount of 22% alloy utilized.
A local medical research association proposes to sponsor a footrace. The average time it takes to run the course is 45.8 minutes with a standard deviation of 3.6 minutes.
Suppose the specific heat capacity of the coffee is the same as that of water. An ice cube of mass 8.0 g is added to a cup of coffee, whose temperature is 85 C and which contains 120 g of liquid.
If Ecell is found to be 0.24 V, determine the pH of the acetic acid solution when a hydrogen electrode is immersed in an acetic acid solution. This electrode is connected to another which is having of an iron nail dipping into the 0.10 M FeC
Find out the atomic wt of this metal when the density of an unknown metal is 8.94 g/cm^3 and its atomic radius is 0.126 nm. It has a face centered cubic lattice.
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