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Two beakers of 0.1molal glucose aq solution and 0.2 molal urea AQ SOLUTION ARE kept in a closed bell jar. they contain 200ml solution. what will be the volume in each beaker after some time?
A student follows the procedure for his experiment and burn a peanut. The peanut weighed 0.780 g before combustion and 0.054 g after combustion. The temperature change of an aluminum can be filled with 200 mL of water was 15.3 degree Celsius. (Den..
Give the complete, step-wise mechanism for the acid catalyzed dehydration of 2-methyl-1-butanol. Account for the formation of all products
If the following elements were involved in redox reactions, which noble-gas configuration would they most likely attain?LI,Na,O,P,Sc,As,Sr--- He,Ne,Ar,Kr matching
At what point will the standard solution begin to deteriote after all the chemicals have been mixed? the answer should be in minutes
A reaction mixture initially contains .56 atm CO2 and .32 atm CO. what is the equilibrium pressure of CO
What is the wavelength of an electron (mass= 9.11 x 10^-31 kg) moving with a velocity
five grams of the specified pure solvent is placed is placed in a variable volume piston. What are the molar enthalpy and total enthalpy of the pure system when 50% and 75% have been evaporated at
Calculate the pH at 25°C of an aqueous solution that is 0.320 M in ethylamine and 0.140 M in ammonia (i.e. the solution contains both compounds). The pKa of the conjugate acid of ethylamine is 10.65 and the pKa of the conjugate acid of ammonia is ..
Explain how the existence of isotopes is related to atomic masses not being whole numbers.
RNA is readily hydrolyzed by alkali, whereas DNA is not. Why. Think of pH required for nucleophile generation
what conditions does the rate equation reduce to second-order kinetics in NO and first kinetics in O2
What is the molality of a solution made by dissolving of (MM+180.2) into of water. Assume the density of water.
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