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If an FM radio station broadcasts at a frequency of 93.6MHz (1MHz=106 Hz or cycles per second). Explain what is the wavelength of the radiation in meters?
How many grams of I2 are present in a solution if 37.60mL of 0.170M Na2S2O3 solution is needed to titrate the I2 solution
There is substance that needs to be heated. the substance is gas. If were given T and P of the inlet and outlet, and given two equaitons one a z equation, for example:
The (delta H degrees f) of TiI3 (s) is -328 kJ/mol and the (delta H degrees) for the reaction 2 Ti(s) + 3 I2(g) -----> 2TiI3 (s) is -839 kJ/MOL. calculate the (delta H) of sublimation of I2 (s), whch is a solid at 25 degrees celcius.
a material can exhibit to be considered hazardous. Discuss five hazardous properties and give one example compound for each hazard.
Suggest to her a visual functional test that she can use to detect the presence of an alkene. Explain why it is specific for alkenes in this situation.
Stalactites--the long icicle, icicle like formations that hang from the ceilings of caves--are formed from recrystallizing minerals like calcite (calcium carbonate, CaCO3, 100.09 g/mol). The Ksp of calcium carbonate is 4.5 x 10^-9.
Which of the following equations represents the proper net ionic equation for the complete neutralization reaction between the strong base KOH (aq) and the weak acid HF (aq)
Assume that a particular reaction evolves 245kJ of heat and that 24kJ of work is gained by the system what is the delta H inside and the surroundings
Electrochemical cells find analytical applications. What two aspects of an electrode reaction are used qualitatively and quantitatively
The reactant concentration in a zero-order reaction was 8.00×10-2 after 100 and 4.00×10-2 after 370 .
Determine the value of ?x=((x2)-(x)2)1/2 and ?P=((p2)-(p)2)1/2 for a harmonic oscillator. discuss these quantities with reference to the uncertainty principle
question 1what is a chemical transformation of waste?question 2a.list the problems associated with incineration of
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