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The empirical formula is NO2. If the molar mass is 92g/mol give the molecular formula. Please explain.
With respect to the Cooper pair model, explain why increasing temperature reduces the effectiveness of low-temperature superconductors.
an unknown mass of each of the given substances 1.sand tf70.4 c2.pyrex glasstf67.6 c3.watertf55.9 c 4.ethanol tf45.9 c
a closed vessel contains water oil and air at room temp. if the system is synthesized by first adding the water and
using a sample of a compound containing only oxygen and chlorine reacts with an excess of h2 gas to give 0.206 g
Dissolve a compound with a molecular mass of 272.05 in a 10-mL volumetric flask. You remove a 1.00-mL aliquot, place it in a 25-mL volumetric flask and dilute it to the mark.
imagine that as an employee of a pharmaceutical company you are working on an h-k-atpase. it is the enzyme that pumps
Acid rain was at one time an important point of contention between the United States and Canada. Much of this acid was the result of the emission of sulfur oxides by coal-fired electricity-generating plants in southern Indiana and Ohio
Value of E: 1.3 g x 1 mole/100.09=1.29 x 10-2 moleCaCO3 Using the value in your answer to question E., calculate the number of moles of HCl that two TUMS
Calculate the wavelength of light (nm) emitted in the n= 3 --> 2 spectral transition in the hydrogen atom
What is the structure for hexadecanol?, What would explain why it is a solid, rather than a liquid?, How are ethanol, 1-octanol, propane-1,2,3-triol, and hexadecanol similar to their corresponding hydrocarbons (ethane, octane, propane, & hexadecan..
Note that the absolute stereochemical configurations of chiral substances cannot be determined from the data. Arbitrarily draw a configuration for an enantiomer (and be consistent with the derivatives); omit wedge/dash bonds for a racemate.
2Na + 2H2O → + H2 How many moles of hydrogen gas are produced when 0.066 mole of sodium is completely reacted?
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