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Benzoic acid is a white crystalline powder used as a foodpreservative. The compound contains 5.0% hydrogen, 26.2% oxygen andthe rest is carbon. It has a molar mass of approximately 122g/mol.What are the empirical and molecular formulas of the compound?
a compound containing carbon amp hydrogen atoms has a deep blue color. complete combustion of 288 mg of the compound
A sample of ethanol (C2H5OH) has a mass of 43.8 g.(a) How many carbon atoms does the sample contain?
A reaction vessel contains these compounds at equilibrium. What will happen if the volume of the container is reduced by 50% at constant temperature?
5.00 ml of a water sample was titrated for hardness with 4.15ml of 0.0200m edta. write an equation for the reaction and
Draw the acylation mechanism including all resonance forms of an electrophile aromatic substitution reaction if the carbon identified with an asterisk(*)
The concentration of commercially available concentrated nitric acid is 70.0 percent by mass, or 15.9M in 100 grams of solution, there are 1.11 mol of HNO3. Calculate the volume of 100 g of solution
Draw a Lewis structure for SO2 in which all atoms obey the octet rule. Show formal charges. 2 Draw a Lewis structure for SO2 in which all atoms have a formal charge of zero. Explicitly showing the zero charges is optional.
What is the empirical formula of a hydrocarbon which produces 2.703 g CO2 and 1.108 g H2O
the Ras and MAP kinase pathway starts with the binding of a growth factor to a receptor. as a result, all of the following occur EXCEPT
write the molecular equation ionic equation net ionic equation and indicate the spectator ions for the precipitation
during lightning flashes nitrogen combines with oxygen in the atmosphere to form nitrogen monoxide no which then reacts
Calculate the mass and volume of 150.0 mmol of isopentyl alcohol and the theoretical yield of isopentyl acetate
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