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What do the structures of a two-carbon acid, a two-carbon alcohol, a three-carbon aldehyde, a four-carbon ketone, and a two-carbon amide look like?
Sleeping pills often contain barbital, which is weakly acidic (pKa = 8.00). For analysis of the barbital content of a sleeping pill, a titration is carried out with strong base. It takes 12.00 mL of 0.200 M base to reach the stoichiometric point.
A 100.0 mL sample of 0.10 M NH3 is titrated with 0.10 M HNO3. Determine the pH of the solution after the addition of 150.0 mL of HNO3. The Kb of NH3 is 1.8 × 10-5.
What is the problem of attempting an Adols condensation using different aldehydes
A small cube of aluminum measures 15.6 mm on a side and weighs 10250 mg. what is the volume of this cube in cubic cm? how would I find this out.
consider the following unbalanced reaction.p4s f2g pf3gwhat mass of f2 is needed to produce 113 g of pf3 if the
Although coals is a complex mixture of substances, its elemntal composition can be approximated by the formula C135H96O9NS. Using this formula predict the amount of CO2 released from the combustion of 1.00 x 10^6 metric tons of coal. 1 metric ton ..
What is the standard free energy change (kJ) for the following reaction at 499.0 K ? [Note: Answer should be expressed as "xxx.x", or with one sig fig after the decimal
Galactose is concentrated in a cell by a transporter driven by ATP hydrolysis. What is the ratio of ADP to ATP required to maintain a galactose concentration gradient of 100,000:1
Aqueous hydrochloric acid reacts with zinc metal to yield hydrogen gas and aqueous zinc chloride. Write a net ionic equation for the process: 2 HCl(aq) + Zn(s) ? H2(g) + ZnCl2(aq)
What is the pH of a 5.52E-04 M solution of HCl. Report your answer to two places past the decimal point. WebAssign will check your answer for the correct number of significant figures
Use the Nernst equation and data from Appendix D to calculate Ecell for each of the following cells. Enter your answer with 3 significant digits. Enter scientific notation as 1.23E4.
A sample of gas is heated. During the heating process, the volume of the gas increases 1.7 times. If the initial temperature of the gas is 80°C, what is the final temperature of the gas.
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