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An AM radio station broadcasts at about 522 on the radio dial. Units for AM frequencies are given in kilohertz (kHz). What is the wavelength of these radio transmissions in meters (m)? Once you have your answer, determine the log (base 10) of it and enter that value to 3 decimal places.
Suppose that coal of density 1.5 g/cm3 is pure carbon. (It is, in fact, much more complicated, but this is a reasonable first approximation.)
Calculate the approximate molecular mass of an unknown protein which had an elution volume of 9.0mL on the column.
If 30.0mL of .150M calcium chloride is added to 15.0 mL of .100 M silver nitrate what will be the final concentration of all ions the remain in the solution?
How many molecules of acetylene (HCCH) react with 146 molecules of oxygen to produce carbon dioxide and water?
how much heat does your body lose when 2.95g of sweat evaporates from your skin at 25 degrees Cecilius
The oxidation of hyrogen by oxygen is one of the most-used reactions in fuel-cell technology. The overall reaction, which is given below, has a (Delta)G^o value of -474 kJ/mol.
According to the valence bond theory, which of the following molecules involves sp2 hybridization of orbitals on the central atom?
Describe the nature and characteristics of PCB's. Why are they of importance to an EH&S or FS professional who encounters them when coming upon an incident scene where they are present? What precautions, or actions, should the EH&S or FS professio..
Methanol, ethanol, and n-propanol are three common alcohols. When 1.00 g of each of these alcohols is burned in air, heat is liberated. Calculate the heats of combustion of these alcohols in kJ/mol.
Consider the following equibrium: CO(g) + 3H2(g) = CH4(g) + H2(g) Initially, 0.200 mol CO and 0.600 mol H2 are placed in a 2.00 L container.
What is the titer of the iodine solution of the .1000g sample of pure ascorbic acid 23.52 ml I2.
Determine what would you use to prepare 10 ml of 0.2M CaCl 2 from the 20M stock solution and find out which solution is with pH > 7, but is not an Arrhenius base in the strict sense?
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