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The ammonia gas is produced by reacting hydrogen gas with nitrogen gas. How to produce 856 g of ammonia gas using air as your source of nitrogen gas, define what volume of air is needed if the air is introduced at 27°C and 760 mmHg? the mole fraction of nitrogen gas in air is 0.781
the products formed are sodium bromide and hydrogen sulphite. Calculate the mass of sodium bromide produced.
Calculate the total concentration of dissolved cadmium (i.e. sum of the concentrations of free Cd 2+ and Cd-chloride complexes) in a 0.1M NaCl solution that is in equilibrium with otavite at atmospheric PCO2 and a pH of 8.5. To what extent does ch..
calculate the ratio of dissolved benzoic acid to benzoate ion at equilibrium. Ka for enzoic acid is 6.46 X 10^-5
The daily dose of ampicillin for the treatment of an ear infection is 115 mg/kg of body weight. What is the daily dose for a 34-lb child?
Calculate H0rxn for the decomposition of tetrazene, N4H4 (atom sequence H2NNNNH2) to hydrazine (N2H4) gas and dinitrogen gas.
the resulting solution required 38.10mL of 0.08765M AgNO3(aq)to precipitate the Cl(aq) and BrCl(s)and AgBr(s) calculate the mass percetage of NaCl(s)in the mixture
A recessive genetic condition can prevent some people from expressing the carbohydrate core that is typical for the O blood type. As a result of this condition, two parents with A, B, or AB blood types who are carriers of this recessive condition ..
A voltaic cell is constructed that uses the following reaction and operates at 298 K. (Ered Ni+2 is -0.277) Zn(s) + Ni2+(aq) Zn2+(aq) + Ni(s) (a) What is the emf of this cell under standard conditions?
When 9 mL of a solution containing 2.5 M AlBr3 is diluted to 33 mL, a dilute solution is formed. What is the Br- concentration in 20 mL of the dilute solution.
4l of n2 is saturated with water vapor at 22celsius degree and thencompressed to half of its volumeawhat is the partial
When the following reaction is balanced in basic solution using the lowest possible whole number coefficients, the coefficient of Cr(OH)3(s) will be: Cr(OH)3(s) + Cl2O7(aq) --> CrO42-(aq) + ClO2-(aq)
A hydrated iron chloride compound was found to contain 20.66% Fe, 39.35% Cl, and 39.99% water. Determine the empirical formula of this hydrated compound.
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