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Explain why secondary and tertiary bromides should be heated to approximately 50oC in order to react with the sodium iodide/acetone test reagent
If 21.3 mL of a 0.120M NaOH solution are required to neutralize 0.400 grams of an unknown monoprotic acid, what is the molecular mass of the acid
How many minutes will it take to plate out 2.19 g of chromium metal from a solution of Cr3+ using a current of 35.2 amps in an electrolytic cell?
By comparison, what would it cost to heat the home using a ground source heating system with an electrically powered heat pump that has a COP of 5.0?
The solubility of MX in a solution buffered to pH=2.00 is only 3.17 x 10^-8M. It turns out that HX is a weak acid. (Ka= 1.00 x 10^-15M)
Identify the compound: molecular mass 113; gives a positive hydroxamate test, which indicates the presence of either an acyl chloride or an ester
a mole of methane assume perfect gas is heated reversibly at atmospheric pressure until its volume doubles. the
Air is approximately 80% nitrogen and 20% oxygen by volume, what is density of air at 273 K and 1 atmosphere? And at a altitude of 2550 ft would density of air be higher or lower, why
How many moles of HF (ka= 6.8 X 10^-4) must be present in 0.200L to form a solution with a pH of 3.25
Suggest chemical reactions that could be used to identify the contents of four unlabeled bottles containing solutions of the following substances: CuSO4, Al2(SO4)3, Pb(NO3)2, and FeSO4.
What do we call a molecule that is made in one step in Reaction Mechanism and used up in another step of Reaction Mechanism
What mass of solid sodium fluoride (molar mass = 41.99 g/mol) should be added to 1.0 L of 0.23M hydrofluoric acid to make a buffer with a pH of 2.94? (Ka of HF = 1.36 x 10-3)
Calculate the pH of a solution conposed of 0.0831M ammonia (NH3) and 0.113M ammonium chloride (NH4Cl).
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