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Determine the number of moles of P4O10 required to produce 4.70 moles of phosphoric acid.
Determine the number of moles of water required to produce 4.70 moles of phosphoric acid.
Problem- A by-product of Ethane C2H6 oxidation by O2 is acetaldehyde C2H4O. Acetaldehyde then produces a chemical called peroxyacetal nitrate or "PAN" (C2H3O3NO2), a nasty eye irritant.
Problem- What is the activity coefficient for each ion at the given ionic strength. Click here for an activity coefficient table.
In the lab using conc. HCL and heat, if the solubities of reactant and product were reversed , how would the isomerization be followed. How would one knows when it is complete
match each of the elements on the right with he description on the left a) a dark-red liquid calcium (ca) b)a colorless gas the burns in oxygen gas gold (au) c) a metal that reacts violently with water hydrogen(H2)
If 250.0 mL of 0.354 M Phosphoric acid need to be prepared, how many grams of H3PO4 need to be added to water to make this solution
the best balances commonly found in laboratories can weight amountsas small as 10-5 g. if you were to count outcarbon
Describe the changes in the sizes of the sodium and chlorine atoms during the following combination reaction. 2Na(s) + Cl2(g) ? 2NaCl(s)
write a complete mechansim for the formation of 1-methylcyclohexeneby the acid-catalyzed dehydration of
Estimate the density change for this fluid upon expansion. This fluid has a density of 7220 mol/m3 and is at 410 K. The temperature of the fluid after the expansion is 290 K.
Spectroscopists have observed He+ in the outerspace. This ion is a one-electron species lik ea neutral hydrogenatom. Calculate the energy emitted for the transition from the n =5 to the n = 3 state in this ion using the equation:
What would be the pH of a 3x10-4 M solution of acetic acid (CH3COOH) given its acid dissociation constant Ka = 10-4.75? What are the concentrations of CH3COOH and CH3COO-
We know that 100 cm3 of the mixture measured at 25C as well as 750 mm yields 84.5 cm3 of dry oxygen measured at 25C and 750mm after passage over CuO as well as the drying agent. Explain what is the original composition of the mixture. State balanc..
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