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what are the NGSS Crosscutting concepts between ionic/covalent compounds?
How many moles of H3O+ must be added to 170 mL of a solution to adjust the pH from 7.84 to 6.27? Use E notation and 3 significant figures.
What role does your chemical play in the modern world and what are some possible detrimental health effects that are associated with the chemical you selected?
In the Gatterman-Koch reaction, a formyl (-CHO) group is introduced directly onto a benzene ring. For example, reaction of toluene with CO and HCl in the presence of mixed CuCl/AlCl3 gives p-methylbenzaldehyde. Propose a structure for the reactive..
Acetic acid can be prepared by heating methyl cyanide with a)di naoh solution b) hcl solution
Pretend that the HCl of this reaction is used in the neutralization of 45mL of a solution of Ga(OH)3. What was the molarity of the Ga(OH)3 solution
A protein has a net charge of +2 in an electric field at pH 4.5. What is the frictional drag experienced by the protein if it moves at a velocity of 0.0018 m/sec and the electric field strength is 10 J/C·m. Units for frictional drag should be in k..
A 4.61*10^-3 mole sample of HY is dissolved in enough H20 to form .086L of solution. If the pH of the solution is 2.64, what is the K_a of HY
Find the total pressure for a mixture that contains four gases with partial pressures of 5.38 kPa, 4.52 kPa, 3.16 kPa, and 1.23 kPa.
How many milliliters of 69 percent (w/w) HNO3 must you dilute with water to prepare a total volume of 100.0 mL of 7.00 M HNO3. The specific gravity of the concentrated solution is 1.42.
indicate whether each of the following statements indicates an acid or a base: a)makes a red ant sting burn. b)produces OH^- in water. c) has a soapy feel. d) turns litmus red.
Oxalate ion, C2O4 2-, and permanganate ion,MnO4 -1,react in aqueous basic solution to give carbonate ion, CO3 2-, AND solid manganese dioxide,MnO2. What is the complete and balanced equation
Write the structure for the pyrrolidine enamine and for the imine of cyclohexane. Write a balanced equation for the acid-catalyzed hydrolysis of each of these compounds.
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