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From the 1HNMR spectrum of dibenzalacetone can you assume which geometric isomer(s) is (are) formed?
Calculate the wavelength of the photon emitted when the hydrogen atom undergoes a transition from n = 5 to n = 3. (R = 1.096776 × 107 m-1).
Exactly 100 mL of 0.10 M nitrous acid (HNO2) are titrated with a 0.10 M NaOH solution. Calculate the pH for the following. (a) the initial solution
A sample of ammonia, NH3, contains 3.3 x 1021 hydrogen atoms. How many moles of nitrogen atoms are in this sample
There are two possible ways to connect the atoms in hydrogen cyanide: HCN and HNC. Write the Lewis structures and use formal charges to predict which is the more likely structural arrangement.
A 0.75-L bottle is cleaned, dried, and closed in a room where the air is 22 degrees C and 44% relative humidity (that is, the water vapor in the air is 0.44 of the equilibrium vapor pressure at 22 degrees C). The bottle is brought outside and stor..
A certain brand of gasoline has a density of 0.67 g/ml. If a car has a gas tank compasity of 16 gallons, How many pounds of gasoline are in a full tank
define what is the resulting total pressure of gases in the now-joined flasks. Presume no reaction between the gases and that the gases behave ideally
a balloon filled with helium gas has a volume of 500ml at a pressure of 1 atm. the balloon is released and reaches an
the fist-order reaction SO2CL2---SO2+Cl2 is 10% complete in 80 min. How long would it take for the reaction to be 95% complete
You can make an ester from a carboxylic acid as well as an alcohol or hydrolyze an ester to the corresponding alcohol as well as carboxylic acid under similar conditions but at identical temperatures.
A sample of c3h8 has 6.56 x 10^24 H atoms. How many carbon atoms does the sample contain. what is the total mass of the sample
If the mass spectrometer produced only the parent mass how might this prove limiting when identifying compounds
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