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A 2.747 g sample of manganese metal is reacted with excess HCl gas to produce 3.22 L of H2 (g) at 373 K and 0.951atm, as well as a manganese chloride compound (MnClx). Explain what is the formula of the manganese chloride compound produced in the reaction?
Write balanced half-reactions and the overall spontaneous reaction. (Type your answer using the format [NH4]+ for NH4+. Use the lowest possible coefficients.)
a 0.050 molar solution of a weak monobasic (accepts one proton) substance, B has a pH of 10.98 Determine the ionization Constant Ka of this acid.
What minimum mass of succimer (C4H6O4S2) is needed to bind all of the lead in a patient's bloodstream? Assume that patient blood lead levels are 25 , that total blood volume is 5.0 L , and that one mole of succimer binds one mole of lead.
Assuming that the calibration curve passes through the origin, what absorbance would be recorded for a solution with a Pb(NO_3_)_2_ concentration of 0.335 M.
How much heat does your body lose when 2.60 of sweat evaporates from your skin at 25 ? (Assume that the sweat is only water.) The heat of vaporization of water at 25 degrees C is 44.0g.
If two compounds have Rf values of 0.78 and 0.32, how far will they be separated from each other on a plate when the solvent front is developed to: (a) 5 cm? (b) 15 cm
Calculate the final Celsius temperature of sulfur dioxide if 0.500 L of the gas at 35°C and 650 mmHg is heated until the pressure reaches
Specify which of the following are oxidation-reduction reactions, and identify the oxidizing agent, the reducing agent, the substance being oxidized, and the substance being reduced.
A test solution is made basic and drops of 0.1 M Ca(NO3)2 are added but no precipitate forms. What will occur next. Is this an acidic solution. Does a precipitate form. Explain.
A gaseous fuel mixture stored at 752 mmHg and 298 K contains only methane (CH4) and propane (C3H8). When 11.8 L of this fuel mixture is burned, it produces 760 kJ of heat. What is the mole fraction of methane in the mixture
The enthalpy of vaporization of ethanol is 38.56 kJ/mol. It has a boiling point of 351.44 K. What is the difference in entropy between ethanol's liquid and gaseous states at 351.44 K. What I'm asking is what is the size of the "jump" on the Sm ver..
For the electrophilic addition of HCL to 2-methyl-2-pentene use curved arrow notation to show the formation of the markovniknov & anti-markovnikov product. Label the types of carbocation formed as intermediates in each reaction pathway & show the ..
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