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What is atomic mass unit "amu"? Can you please answers what is, why it was created, history about it, and when?
Problem- The Ka of HF is 6.3X10^-4. Suppose you prepare a solution by dissolving 1.04 g of NaF in 50.9mL of 0.51M HF. Assuming that the volume of the solution doesn't change after adding the NaF, what is the pH of the solution after you dissolve t..
Ethanol (C2H5OH) has a normal boiling point of 78.4 OC. Estimate ?Suniverse at this 50.0 OC for the process: C2H5OH (l) ? C2H5OH (g).
A horizontal piston contains 34kg of water that is saturated at 36oC. Heat is transferred to the water until 80% of the water vaporizes.
The temp rises to 17.9 degrees celsius. Neglecting heat capacity of container, what is the specific heat of the metal? The specific heat of H2O(l) is 4.18 J/(g*degree Celsius)
What volume of 0.240 M K2S solution is required to completely react with 195 mL of 0.155 M Co(NO3)2.
Write the structural formula of the main organic product for the following reaction between an alcohol, tosyl chloride, and then a nucleophile (nucleophile is CH3CH2CH2S-)
State the balanced net equation for the reaction that takes place when 0.1 M solutions of lead (II) nitrate and lithium iodide are mixed.
Question- What would be the consequence of failing to make the aqueous solution basic prior to extracting the 2, 6-dimethylaniline into ether for the synthesis of lidocaine
Problem- A small amount of silver metal is dispersed in a porous ceramic material. The sample of silver and ceramic has a mass of 871.6 grams. When the sample is treated with concentrated nitric acid, the silver will dissolve but the ceramic is in..
Identify a drug produced by rDNA technology, other than the drugs listed in your textbook. Describe the illness it is used to treat. In your opinion, should this technology be used to treat patients? Why or why not?
how does the hammonds postulate explain?a. the greater selectivity for bromination vs. chlorination of an alkane?b. the
A piston has an external pressure of 13.0 atm. How much work has been done if the cylinder goes from a volume of 0.150 liters to 0.490 liters.
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