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An AM radio station broadcasts at about 956 on the radio dial. Units for AM frequencies are given in kilohertz (kHz). Explain what is the wavelength of these radio transmissions in meters (m)? Once you have the value, take its log base 10 as well as enter your answer with three decimal places.
what is the percent yield for the reaction of 500. g of cs2 and excess o2 if 768. g of so2 was recovered in the
What is the hybridization of the nitrogen orbitals predicted by valence bond theory?
The student ended up calculating that he/she has 2.19 ppm of Vitamin B2 in the diluted sample. Calculate the percent of the RDI of Riboflavin satisfied by consuming this tablet
the pH of a saturated solution of a metal hydroxide MOH is 10.85 calculate the Ksp for the compound
A total of 18.31 mL Ne gas effuses through a hole in a plate in the same amount of time it takes 20.54 mL of another gas to effuse through the same hole under the same temperature and pressure conditions.
He decided to dry the alum by heating it strongly. Unfortunately he also drove off the waters of hydration. What is the mass of his remaining anhydrous salt?
Ethane, C2H6, has a molar heat of vaporization of 15 kJ/mole. How many kilojoules or energy are required to vaporize 5 g of ethane?
the volume of a gas is 93 mL when the temperature is 91C. If the temperature is reduced to 5C without changing the pressure, what is the new volume of the gas?
Many hospitals, and some doctors\' offices, use radioisotopes for diagnosis and treatment, or in palliative care (relief of symptoms such as pain). Some radioisotopes used in medicine are listed below.
Given the following balanced equation, determine the rate of reaction with respect to the [NOCl]. If the rate of Cl2 loss is 4.84 * 10-2 M/s, what is the rate of formation of NOCl
a 20 ml solution of ti2 40 mm can be oxidized by reacting with iron ions from fecl3. a titration is performed with a
Discribe how to prepare this solutions show all work and calcualtion? a) 50mL of asolution containing 0.15M malonic acid [CH2(COOH)2 plus 0.02 manganese sulfate [ MnSO4] b) 100 mL of 0.08M sulfuric acid [H2SO4] from 18 M concnentrated sulfuric aci..
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