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At t=0 butadiene was introduced into an empty vessel at 326 degree celsius and the gas phase dimerization reaction was followed at constant volume by monitoring the pressure P. find the reaction order using a Powell plot or the fractional-life method and also estimate the rate constant if The following data were obtained (1ks=10^3 s): t/ks 0.000 0.367 0.731 1.038 1.751 2.550 3.625 5.403 7.140 10.600P/torr 632.0 606.6 584.2 567.3 535.4 509.3 482.8 453.8 453.3 432.8
NH3 is a weak base (Kb = 1.8 × 10-5) and so the salt NH4Cl acts as a weak acid. What is the pH of a solution that is 0.049 M in NH4Cl
what is the central atom in nitrogen trifluoride, carbon tetrabromide, phosphorus pentiodide, sulfur hexachloride, and bromine trifluoride
What is the pH of the buffer after the addition of 0.02 mol of NaOH? C)What is the pH of the buffer after the addition of 0.02 mol of HI? Express Numerically
How much heat is required to vaporize 351 g of liquid ethanol at its boiling point.
At standard temperature, a gas has a volume of 371 mL. The temperature is then increased to 131C, and the pressure is held constant. What is the new volume?
Graphite is a semi-metal composed of sheets of fused benzene rings. There are no bonds between sheets, only van der Waals interactions
What current is required to produce 91.6 g of chromium metal from chromium(VI) oxide in 12.4 hours?
The speed needed to escape the pull of Earth's gravity is 11.3 km/s. What is this speed in mi/h.
observed that 7.48 mmol of baf2 will dissolve in 1.0L of water. use these data to calculate the value of Ksp for barium fluoride
what are some of the benefits of using geothermal energy to produce electricity?what are some of the negatives
What is the volume occupied by 0.265mol of helium gas at a pressure of 1.28atm and a temperature of 307K
Calculate the mass of a sample of iron (in kilograms) which contains the same number of atoms as 0.8118 L of mercury metal (density of mercury is 13.534 g/cm3).
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