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The nuclear spin quantum number I of the 39K nucleus is 3/2, and the nuclear g factor is 0.2606. How many orientations does the nucles have in a magnetic field? At what frequency would there be resonance in a field of 1.0T?
A sample of neon gas has a volume of 2.5 L at 780 torr and 24 degrees C. How many neon atoms are in the sample
4 KO2 + 2 H2O + 4 CO2 ==> 4 KHCO3 + 3 O2 How many moles of O2 will be produced if 5.86 moles of CO2 react completely?
Before running your reaction, you determined that the mixture amount of product you could obtain was 3.74 g. However, after completeing your reaction the mass of product obtained was only 2.486 g. What mass is your theoretical yeild. What is your ..
Describe how you would make 2mL of the solutions that you described in the above using a 1.0 mg/mL solution of hemoglobin and a buffer to dilute it with.
At noon on a clear day, sunlight reaches the earth\'s surface at Madison, Wisconsin, with an average power of approximately 5.00 kJ·s-1·m-2. If the sunlight consists of photons with an average wavelength of 510.0 nm
Some insects produce antifreeze in cold weather; the antifreeze is glycerol. How much glycerol must an insect produce per gram of body fluid (taken to be water) to survive at -5.0C
The mass % of Ca in CaSo4 is 29.45%. To calculate the mass of Ca present in a 25.6 g sample of this compound, the correct procedure is given by
Given the following informationp redict whether or not the hypothetical ionic compound AX is likely to form. In this compound, A forms the A+ cation, and X forms the X?anion. Be sure to justify your answer.
The pressure of 9.0 L of an ideal gas in a flexible container is decreased to one-eighth of its original pressure, and its absolute temperature is decreased to one-forth of the original. What is the final volume of the gas?
Which of the following statements correctly define SI base units and derived units in science? SELECT ALL THAT APPLY. 1. Derived units are nonmetric units. 2. The base units are the same as the decimal prefixes. 3. All that base units are metric u..
When NH3 is prepared from 28 g N2 and excess H2 the theoretical yield of NH3 is 34 g. When this reaction is carried out in a given experiment, only 30. g is produced.
What kind of experimental conditions do you think you would need in order to carry out the reverse reaction. (The preparation of ester from an acid and alcohol)
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