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What percent of your original foul water sample did you recover as purified water?
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After one half-life what percent of the original uranium remains?
By definition, 50%. Half life is the time for half of the original sample to decay.
If 12.5 grams of the original sample of cesium-137 remained after 90.69 years what was the mass of the original sample?
100g
What is the total mass of 222Rn remaining in an original 160-milligram sample of 222Rn after 19.1 days?
5.0 mg is the total mass of 222Rn remaining in an original 160-milligram sample of 222Rn after 19.1 days.
How does the melting point of the crude sample compare with that of the purified sample?
An impure sample will have a lower melting point, and will also have wider melting point range than that of a pure sample of the same substance. a sharp melting point range can also indicate a eutectic mixture
Suppose your sample contain a volatile impurity.would your determination of percent of water in hydrate be too high or low explain your answer?
high
After one half-life what percent of the original uranium remains?
By definition, 50%. Half life is the time for half of the original sample to decay.
A sample of radioactive isotope has a halflife of 1 day how much of the original sample will be left at the end of the fourth day?
If a sample of radioactive material has a half-life of one week the original sample will have 50 percent of the original left at the end of the second week. The third week would be 25 percent of the sample. The fourth week would be 12.5 percent of the original sample.
If 12.5 grams of the original sample of cesium-137 remained after 90.69 years what was the mass of the original sample?
100g
What is the percent of oxygen by mass in a pure sample of FeCr2O4?
the answer is 29 percent
Why is the bandwidth of DPCM is greater than PCM?
in pcm entie sample is sent.. where as in dpcm the difference between the predicted value and the original sample is sent which will be smaller when compared rto the original sample..
The original sample of a radioactive substance?
Yes, and the question is ... ?
Why should the maximum percent yield never be above 100?
Because the yield can never exceed the quantity in the original mix. ie if an ore sample contains 3% of a mineral, if that 3% is extracted totally, then the yield is 100% and cannot be more because that's all there is in the sample.
What song is sampled in no handlebars by the Flobots Or is it original?
There is no song sample in "Handlebars" by Flobots, it is an original song.
What s coefficient of curvature in soil mechanics?
Cc = (D30)^2 / (D10 * D60) Where: * D60 is the particle-size diameter for which 60 percent of the sample was finer, and, * D30 is the particle-size diameter for which 30 percent of the sample was finer. * D10 is the particle-size diameter for which 10 percent of the sample was finer.
What is a 10 percent sample of 250 people?
25 people
What maximum percent strength of a sample of oleum is possible?
122.5%
When the sample size and sample standard deviation remain the same a 99 percent confidence interval for a population mean will be narrower than the 95 percent confidence interval for the mean?
Never!
