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In an experiment, 0.30 mol H2 and 0.30 mol I2 are mixed into a 1.00-l container, and the reaction forms HI. If Kc =49 . for this reaction, what is the equalibrium concentration of HI? I2(g) + H2(g)<-->2HI(g)
Using an unmanned rocket to visit the space station requires 85.2 trillion BTU of energy. The best fuel for the mission will have the highest ratio of energy to volume.
In a reaction 82.00 g of sodium reacts with 74.00g of ferric oxide to form sodium oxide and iron metal. calculate the mass of solid iron produced
Use the molar volume of a gas at STP to determine the volume (in {rm L}) occupied by 15.0 {rm g} of neon at STP.
What are the consequences of removing some of the phase transfer catalyst along with the hot reaction mixture after refluxing. a)The phase transfer catalyst acts to remove small amounts of water from the mixture leading to increased purity
Assume that the density of the mixed solutions is 1.00 g/mL, that the specific heat of the mixed solutions is 4.18 J/(g celcius), and that no heat is lost to the surroundings. The deltaHrxn for the neutralization of NaOH with H2SO4 is -114 kJ/mol ..
Why should you store the crucible plus sample in a desiccator after heating and before weighing? why should you heat the sample to constant mass?
Starting with a 10% solution and making a series of 1:100 dilutions, how many dilutions must you make to prepare 0.1 ppm (part per million) solution. How many ppb's (parts per billion) is this concentration
Write the equation for the reduction half-reaction. If the potential of the silverIsilver ion electrode (E AgIAg+) is taken to be 0.000 V, what is the value of the potential for the oxidation reaction?
In the stepwise trihalogenation process of the methyl group in acetophenone the methyl group is initially deprotonated. This deprotonated species which bears a negative charge on the carbon atom is stabilized by resonance.
The average kinetic energy of the molecules in a gas sample depends only on the temperature, T. But given the same kinetic energies, a lighter molecule will move faster than a heavier molecule.
Nitrogen gas has a Henry's law constant k = 6.3 × 10-4 M/atm at 25°C. The "bends" in divers results from bubbles of N2(g) being rapidly released from body fluids when a diver ascends to the surface too quickly.
A sample of diatomic gas has a density of 0.002061 g/mL at 1.8 atm pressure and 25.0 °C. Identify the gas.
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