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The diameter of a molecule is approximately 1x10^(-18) mets. If 1 nm is equal to 10^(-9)m and 10 Ångstroms, what is the diameter of the nucleus in Ångstroms?
how to choose a solvent that can be used to recrystallize a product that is less soluble than the reactant
Why is the Beer - Lambert law in units of absorbance rather than in units percent transmittance
calculate the energy absorbed when 2.67 moles of ethyl ether undergo combustion: CH3CH2OCH2CH3(l) + 6O2(g)-> 4CO2(g)+5H2O(l) delta H=+1604 kJ/mol
At what temperature will He atoms have the same Crms value as N2 molecules at 25 degrees Celsius. Solve this problem without calculating the value of Crms for N2. Crms is the root mean square speed.
Monochromatic light falls on any one of the diodes that comprise the detector array of your OcieanOptics spectrometer. The signal is directly proportional to what quality of the light that impinges on it?
A solution is prepared by dissolving 0.16mol of acetic acid and 0.16mol of ammonium chloride in enough water to make 1.0 L of solution.
the diameter of a neutral helium atom is about 1x10 pm.suppose that we could line up helium atoms side by side in
metal a was determined to be 95extracted into methylene chloride with dethizone at ph6 when equal volumes of aqueous
How can you tell when looking at organic compounds what is saturated? Here are some examples?
what is the final temperature of A metal sample weighing 34.526 g was heated to 98.0 degrees Celcius then quickly transferred into a styrofoam cup calorimeter containing 74.365 g of distilled water at a temperature of 27.0 degrees celcius.
The density of osmium is 22.57g/cm^3 what volume will be occupied by 4.06 kg of osmium
Titration of a .7439g sample of impure Na2B4O7 required 31.64mL of .1081M HCl. Express the results of this analysis in terms in percent
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