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if the radio waves transmitted by a radio station have a frequency of 70.6 Mhz, what is the wavelength of the waves, in meters?
calculate the Kf for the solvent bromoform: When 28.2 g of C20H42 are dissolved in 173. mL of bromoform, the freezing point of the solution is 5.4 C.
a reaction that contributes to the depletion of ozone in the stratosphere is the direct reaction O(g)+O3(g)-->2O2(g) at 298K the rate constant is 4.8*10^5M-1s-1 use delta H values from appendix C to estimate
Please Solve these with step by step instructions with phases. It is very hard to understand how to solve them without a photograph and an explanation of why you chose each step
how I resolve it, A 1.25 gram sample of methane is container in a 850.0 mL flask at295.65 K.What is the pressure of this gas?
What is the work done by the copper bar on the surrounding atmosphere? The density of copper at 20 degree celsius is equal to 8920 kg/m3.
Detremine the volume of CO2 produced at the temperature of 23 degree celsius and pressure of 0.985atm?
Why is normalization of a probability distribution important? What would one have to consider when working with a probability
A system absorbs 192 kj of heat and the surroundings do 120 kj of work on the system. what is the change in internal energy of the system
what will be the pressure of the gasesous water in a 4.25 L flask at 30.0 degrees celcius.
When heated, the DNA double helix separates into two random-coil single strands. When cooled, the random coils form the double helix
A sample of an oxide of iron weighing 2.40g was heated in a stream of hydrogen until it was completely converted to the metal,
The white precipitate obtained when cold HCl was added to an unknown solution was completely insoluble in both hot water and NH4OH
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