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If 37.0 grams of hydrogen sulfide gas (H2S; MM = 34.08 g/mol) react with 37.1 grams of oxygen gas (O2, MM = 32.00 g/mol), what is the mass of sulfur dioxide (SO2, MM = 64.06 g/mol) gas produced?
What is the approximate ?H in kJ for the following reaction as written: 2NH3(g) --> 3H2(g) + N2(g) Careful, what kind of bond does the nitrogen molecule make
Aniline is a weak organic base with the formula C6H5NH2- the anilinium ipn has the formula C6H5NH3+ and its Ka = 2.3 * 10^-5. a) write the chemical reaction showing the hydrolysis of the anilinium ion. b) calculate the pH of a 0.0400 M of aniliniu..
Please explain which of the following aqueous solutions has the strongest ion-dipole attractions: 0.3 M Na3PO4 .1 M NiF2 .2 M Rb2CO3 0.01 M Sr(OH)2 and .03 M ScBr3.
For a given sample of CH_3OH, the enthalpy change during the reaction is 82.1 kJ. How many grams of methane gas are produced
At high temperatures phosgene (COCl2) decomposes to give carbon monoxide CO and Cl2. In a typical experiment, 0.631 g of COCl2 is injected into a flask of volume 472 cc. When equilibrium is established, it is found that the total pressure is 2.175..
The aqueous electrolytic solution (d= 1.230 g/cm^3) in a typical automotive battery contains approximately 368 g of hydrogen sulfate (H2SO4, sulfuric acid, MM= 98.07948 g/mol) per liter. Calculate the following concentrations
Calculate the mole fraction of ethanol, C2H5OH, in a solution that contains 230. grams of C2H5OH and 312 grams of benzene, C6H6.
What is the molarity of the nitrate ions when 0.35 mol of barium nitrate, Ba(NO3)2, is dissolved in enough water to make 3.0 L of solution?
Explain why the solubility of different cations groups can be affected by the acidification of their solutions
The addition of H2 to C=C double bonds is an important reaction used in the preparation of margarine from vegetable oils.
A 25.35g piece of iron and a 27.40g piece of gold at 100C were dropped into 920ml of water at 19.45C. The molar heat capacities of iron and gold are 25.19 J/(mol C) and 25.41 J/(mol C). What is the final temperature of the water and pieces of meta..
Calculate the H+ concentration in a .02M solution of a moderately strong acid HA where the Ka is 3.0x10^-2 and the degree of dissociation of the acid
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