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What are the advantages and disadvantages in using spectrophotometric measurements for the analysis of various compounds?
Explain Beer's and Lambert's laws and how are these important to spectrophotometric measurements?
How are spectrophotometric measurements used for the determinations of content of phenolic compounds in plants ? What could be possible problems involves in these (specific) procedures and what has been identified in the literature? What are some suggestions for the elimination of these problems?
895ml of chlorine trifloride gas at 694 mmHg and 36 degree c. What is the mass of the sample
Draw the structure(s) of the alkene(s) with the molecular formula C6H12 that have two methyl branches on the same carbon.
If 7.00 mol calcium carbide (CaC2) reacts with an excess of water, how many moles of acetylene (C2H2) will be produced?
Problem- When 10.33 g of neon is combined in a 23.96 L container at 98oC with 10.61 g of argon, what is the partial pressure (in mmHg) of argon
Problem- Calculate the mass of methane that must be burned to provide enough heat to convert 220g of water at 49*C into steam at 107*C (assume that the h20 produced in the combustion reaction is steam rather than liquid water)
1.0 mol of CaCN2 and 1.0 mole of water are mixed together: CaCN2 + 3H2O → CaCO3 + 2NH3 How much NH3 could be produced?
Problem- We mix 50.00 mL of 0.050 M HNO3 and 25 mL of 0.10 M NaCH3COO. What is the pH of the resulting solution? Ka (CH3COOh)=1.8x10-5
nitric acid will give a better yield than acetic acid because with acetic acid some material is converted into benzaldehyde by cleavage of the bond between two oxidized carbon atoms that is activated by both phenyl groups. Any help would be apprec..
write the structural formula and the name of the organic product that would result from the hydrogenation addition of
write an equation that shows the formation of the chloride ion from a neutral chlorine
like the reaction of aldehydes with water to give aldehydehydrates ketones react with water to give ketone hydrates.
A 65 kg man is on ice skates. The skates' blades have a total contact area of 2.0 cm^2. How much pressure does the man exert on the ice
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