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calculate the volume of oxygen at room temperature and pressure needed to burn 3kg of carbon to produce carbon
which of the following is the strongest reducing agent a cu aq b cu s c fe2 aq d h2 g e br2 l nbspthe answer is h2
nicotine a stimulant found in tobacco has the mass percent composition c 7403 h 870 n 1727 the molar mass of nicotine
question- nickel can be plated from aqueous solution according to the following half reaction how long would it take in
question- a mixture of 05 mol of ch4 05 mol of h2 and 05 mol of so2 is introduced into a 100 l container at 25 c if the
question- what mass of na2co3 is required to produce 2500 ml of a solution that is 500 ppm in na assume a solution
question- if 2500 ml of 600 m hcl is transferred by pipet into a volumetric flask and diluted by 500 l what is the
question- describe how you would prepare 465 ml of a 3550 m potassium nitrate solution starting with a solid potassium
question- use the tabulated half-cell potentials to calculate delta g for the following balanced redox reaction pb2aq
question- a student reacted 0054 g of magnesium in a audiometer filled with water and hcl the water temperature wa 220
question- a sample of propane gas c3h3 having a volume of 180l at 25 deg c and 165atm was mixed with a sample of oxygen
question- your flasks a and b are connected by a stopcock initially flask a contains 10000 ml of o2 at 50 kpa pressure
question- calculate w the work done on a system when 180 g of zinc are dissolved in excess acid at 100 atm and 27c
question- which of the following is the weakest reducing agent which of the following is the weakest reducing agent als
question- 1could aqueous ammonia be used instead of hot water to separate lead ion from the mixed chloride precipitate
question- 1list three ways in which wells in the spot plate could become contaminated leading to inaccurate results and
question- which of the following pairs of ions is arranged so that the ion with the smaller charge density is listed
question- iodine-131 is a radioactive isotope after 500 days 650 of the sample of 131i remains what is the half-life of
question- the two complexes shown below have significantly different magnetic properties determine the correct geometry
question- use the following given enthalpies to find the enthalpy of reaction for the unknown reaction given fe2o3s 3
question- use crystal field theory to predict the splitting pattern of the d orbitals of a metal ion in a linear
question- indicate the function groups wave number and peak intensity for acetic acid infrared spectral analysisas much
question- indicate the function groups wave number and peak intensity for isoamyl acetate infrared spectral analysisi
question- calculate the minimum concentration of ca2 that must be added to 010 m naf in order to initiate a precipitate
question- the solubility product ksp for ironii sulfide is 60 x 10-19 calculate the molar solubility of ironii