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You have been asked to assist in the design of a new power generator which harnesses the power of progressive waves traveling into shore. The power generator has to be located in shallow water right at the coastline, and the engineer shave informed you that the machine will only operate at peak capacity when the incoming wave speeds are 6.5m/s. Explain how deep do you dredge to ensure that the waves are coming in from the open ocean will keep the power generator working at peak capacity? Explain which wavelengths will diminish the power generator's efficiency?
Gel-filtration chromatography is a helpful method for removing salts, such as ammonium sulfate, from protein solutions. Explain how such a separation is accomplished.
35.5 grams of an unknown substance is heated to 103.0 degrees Celsius and then placed into a calorimeter containing 100.0 grams of water at 24.0 degrees Celsius.
The equilibrium constant is given for one of the reactions below. Determine the value of the missing equilibrium constant. N2O4(g) + 2 NO2(g)=1.46
Choose the answer which presents the chemical formulas for two substances in order of decreasing melting point (highest melting point first) and gives a valid reason for this order.
when burned in oxygen, yielded a mixture of CO2 and SO2 in which the number of moles of CO2 was one-half the number of moles of the SO2. How many grams of C contained in the mixture?
A new method is devised to extract marijuana from hair for subsequent injection into a gas chromatograph. An external calibration curve determined an unknown hair sample to contain 0.53 ng/g marijuana in hair.
sample of gas occupies 10.0-mL at 294.5 K and 1.10 atm. Upon further analysis, the compound is found to be 13.068% C and 86.932% Br. What is the molecular formula of the compound?
methanol ch3oh is used as a fuel in race cars.a write a balanced equation for the combustion of liquid methanol in
How many moles of CO2 will be produced if 3.119 g of O2 are reacted completely?
The rate of disappearance of HBr in the gas phase reaction is 0.103 Ms-1 at 150 deg Celsius. what is the rate of reaction.
The total molarity of acid and conjugate base in this buffer is 0.100 M . A student adds 6.10 mL of a 0.380 M solution to the beaker. How much will the pH change?
what does it mean by carbocation of a molecule is expected torearrange or not expected to rearrange ? would you show
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