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Does anyone know the balanced equation piperonaldehyde (C8H6O3)+ acetophenone (C8H8O)= 3,4-methylenedioxychalcone(C16H12O3)
The U.S. national ambient air quality standard for CO in a 1-hr period is 35 ppm. How many times greater than this standard is the CO concentration in cigarette smoke
how much of heat is gained by nickel when 500 g of nickel is warmed from 22.4 to 58.4C?
What is the difference between a hypothesis and a theory? a hypothesis is a proposal that has been tested extensively, whereas a theory is an initialy stated proposal a hypothesis is a conclusion made after a theory was tested words hypothesis
What is the correct order of the following inert electrolytes in their ability to increase the degree of dissociation of acetic acid?
A solution has a volume of 2.0 L and contains 36.0 g of glucose. If the molar mass of glucose is 180 g/mol, what is the molarity of the solution
a flask contains 30mL of 0.16 M phosphate buffer that has a pH of 7.1. what volume of 0.06M NaOH should be added to increase
a 26.0 ml sample of a liquid was found to have a mass of 13.0g. what is the density of the liquid?
Determine which species is present in the lowest concentration in 0.10 M H3A solution?
If the heat of combustion for a specific compound is -1390.0 kJ/mol and its molar mass is 61.39 g/mol, how many grams of this compound must you burn to release 821.90 kJ of heat.
A gas mixture composed of helium and argon has a density of 0.727g/L at a 755mmHg and 298K .What is the composition of the mixture by volume?
How many moles of potassium carbonate will be produced if 400.0 g of potassium hydrogen carbonate are heated?
If the total mass of H2O produced is 23.4 grams, what was the approximate mass of the methane in the original mixture?
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