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What is the percent yield of a reaction in which 244 g phosphorus trichloride reacts with excess water to form 144 g HCl and aqueous phosphorus acid (H3PO3)?
Assuming that the atoms are spheres in contact along the face diagonal, what is the radius of a Ar atom (in Angstroms)? An angstrom = 10-10 m or 10-8 cm.
Explain in term of CFSE, why high spin Cr2+ is a good reducing agent and low spin Mn2+ is a good oxidizing agent. Both ions are d4
what is the longest wavelength of radiation that possesses the necessary energy to break a nitrogen bond.
How many liters of oxygen gas, at standard temperature and pressure, will react with 25.0 grams of magnesium metal? 2 Mg + O2 yields 2 MgO
A chemical reaction is found to have an activation energy (Ea = 15 kJ/mol). At a temperature of 505 K, what fraction of collisions have enough energy to exceed the activation energy
A procedural change would be essential if a boy want to determine the tomato juice's acidity by titrating a sample of juice with NaOH(sodium hydroxide) solution Briefly explain What change would you make to the procedure ?
During the late 1800's, hard rock miners replaced candles with carbide lamps for work in mine shafts. The lamps worked by dripping water onto calcium carbide that generated acetylene gas (H2C2) that was burned
Estimate the viscosity of a liquid mixture composed of methane = 59.30 mole%, propane = 37.46 mole%, and n-octane=3.24 mole% at a temperature of 311 K and pressure
Consider the reaction NO + O3 → NO2 + O2 Which has a rate constant given by k = 1.8×10-12 e-1370/T cm3 molecules-1 s-1 .Use the following standard heats of formation.
What is the molarity of NaCl in Sea water if sea water is 15.0% (m/m) and the density of sea water is 1.18 g/mL
A portable water heater transfers 225 watts of power to 5.5 L of water. How much time will it take the water heater to heat the 5.5 L of water from 22 to 40 degrees Celsius?
Calculate the molar enthalpy of combustion of Phosphorous when this combustion process was carried out under the constant pressure?
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