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1- A radio station's channel, such as 100.7 FM or 92.3 FM, is actually its frequency in megahertz MHz, where 1MHz=10^6 Hz. Calculate the broadcast wavelength of the radio station 96.50 FM.
2-Green light has a frequency of about 6.00x10^14 s^-1. What is the energy of green light?
Al(OH)3 + 3HCl ---> AlCl3 + 3H2O Determine the moles of acid neutralized if a tablet contains 0.200 mol Al(OH)3
A solution containing Pt4+ is electrolyzed with a current of 5.00 A. How long will it take to plate out 77% of the platinum in 0.50 L of a 0.010 M solution of Pt4+?
some people said that the precipitate disappeared and the solution went back to a bright orange/yellow clear colour, what is the chemical equation that describes both these reactions,
How many grams of solid sodium phosphate, Na3PO4, are needed to prepare exactly 250ml of a 0.500M Na+ solution?
A reaction mixture initially contains 0.86 M NO and 0.86 M S03. Determine the equiibrium pressure of NO2 if Kc for the reaction at this temperature is 0.0118.
A student finds that during a reaction, the 150.g of water in the reaction cup warms from 21.0 Celsius to 28.5 degrees Celsius.
In going from room temperature (25.0 °C) to 10 °C above room temperature, the rate of a reaction doubles. Calculate the activation energy for the reaction.
In what direction do the functions point? What orbitals are"left" unused on the C atom?
A beaker with 1.70×102 mL of an acetic acid buffer with a pH of 5.000 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 M. A student adds 6.20 mL of a 0.490 it M HCl solution to the beaker. How much wi..
Calculate the molar amounts of NaOH used in the reaction with the HCI solution and with the HC2H3O2 solution?
The density of the unknown solution is 1.232g/mL. Calculate the specific gravity of the solution
Calculate the volume of the NaOH solution prepared in (2) required to react with all of the t-butyl chloride in 1.0mL of the 0.050M solution prepared in (1)?
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