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Waves moving on a lake have a speed of 2.0 m/s and a distance of 1.5 m between adjacent crests.
a) What is the frequency of the waves?
(b) Find the period of the wave motion.
Crystalline potassium bromide has a rock salt structure and a density of 2.75 g/cm^3. Calculate its unit-cell edge length.
solid silicon and solid magnesium chloride form when silicon trichloride gas reacts with magnesium metal. write a word
Find the total time in minutes for a class that lasted 2.76 hours, 353 minutes and 45,980 seconds. Please show me every step.
When dealing with Hydrogenation of Oils, does it matter which double C bond you hydrogenate if there are two or more to make the oil partially hydrogenated?
An unknown amount of KCl was added to 250 mL of water @ 35 degrees C and formed a clear solution. The temperature was lowered to 25 degrees C, and the solution remained clear. Was the solution at 35 degrees C saturated
A solution containing the two compounds exhibits absorbances (using a 1.00cm cell) of 0.726 and 0.544 at 267 and 312nm, respectively. What are the concentrations of A and B in mg/mL? Note: The aborptivity values are given in units of L/g.cm.
Write complete ionic equation to show the reaction of aqueous lead(II) nitrate with aqueous potassium sulfate to form solid lead(II) sulfate and aqueous potassium nitrate.
Depict and arrow-pushing mechanism for an elimination reaction using NaOH as base to convert 5-nitrobenzisoxazole to 2-hydroxy-5-nitrobenzonitrile. Give the structure of the intermediate
How many possible trisubstituted derivatives C6H3X2Y can be obtained from the para disubstituted benzene C6H4X2?
A 30.5-g sample of an alloy at 93.0°C is placed into 50.0 g of water at 22.0°C in an insulated coffee cup with a heat capacity of 9.2 J/K.
If a certian mixture of olive oil and vinegarhas a total mass of 397.8g and a total volume of 4228 cm^3, what is the volume of oil and what is the volume of vinegar in the mixture?
While a piece of metal is irradiated with UV radiation, electrons are ejected with a kinetic energy of 5.96 x 10-19 J. Explain what is the work function of the metal
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