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Are radio waves sound waves? Explain. What is the range of wavelengths of visible light? How do these wavelengths compare to those of audible sound? With what speed do electromagnetic waves propagate in vacuum?
What observed rotation is expected when a 1.72 M solution of (R)-2-butanol is mixed with an equal volume of a 0.860 M solution of racemic 2-butanol, and the resulting solution is analyzed in a sample container that is 1 dm long?
Could someone please help me with this post lab question fororganic chemistry. Draw the structure of the triglyceride formed from oleic acid,linoleic acid, and stearic acid
Consider the reaction: 2H2S(g)==2H2(G)+S2(g) An equilibrium mixture of this reaction at a certain temperature was found to have = [H2S]=0.602 , [H2]= 3.24×10^?2M , and [S2] = 7.84×10^?3 M. What is the value of the equilibrium constant at this temp..
Step-wise solution to a numerical problem related to a flocculation-based water treatment plant having a flow of 25 MGD. The plant is to employ alum coagulation.
Approach the tank slowly and carefully carrying full face mask with portable oxygen. The characteristic odor will be evident if leaking then put on the PPE.
Which of the following is a neutralization reaction?
Use Lewis structures and bond energies to calculate the enthalpy change of the following reaction: HCN(g) + 2H2(g) => CH3NH2(g) a. 158 kJ b. -158 kJ c. -590 kJ d. 590 kJ e. none of these
The numbers indicate the relative amounts present at equilibrium, compared to 1-butene as the standard. 1-Butene: 1.0 cis-2-Butene: 7.2 Trans-2-Butene: 85 Explain this trend qualitively.
Calculate the wavelength (in nanometers) of a photon emitted by a hydrogen atom when its electron drops
Atkin's Physical Chemistry 9th edition. 10.14a. The ionization energy of Xe5p and F2p electrons are 12.1eV and 17.4 eV, respectively. Calculate the energies and composition of the bonding and antibonding orbitals of XeF. Use beta=-1.5eV and S=0.
in the reaction pcl3 cl2 ---gt pcl5 what will happen to the rate increase decrease no effect when a the concentration
Neutron diffraction is utilized in determining the structures of molecules. Compute the velocity of a neutron with a wavelength of 75 pm
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