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The rate constant (k) for a reaction was measured as a function of temperature. A plot of ln k versus 1/T (in K) is linear and has a slope of -7445 K. Calculate the activation energy for the reaction
I am given the 10 ml of .200M Fe(NO3)3 and .25 ml of .00200 KSCN and 14.75 ml of .500 M of HNO3. How do I figure out the initial concentration of FE3+ and SCN-.
What is the mass of one mole of the gas when the density of a gas is 0.0151 g/mL at 150 degrees Celsius and 1.50 atmospheres?
What is osmium's molar capacity if the two substances reach thermal equilibrium at 100 degrees Celsius? Osmium, the densest known metal, has a density
At 72.0%u2218C , what is the maximum value of the reaction quotient, Q, needed to produce a non-negative E value for the reaction
A creature moves at a speed of 3.20 furlongs per fortnight (not a very common unit of speed). Given that 1 furlong = 220 yards and 1 fortnight = 14 days
The US consumed 18.8 million barrels (Mbbl) of crude oil per day in 2009. The BP Gulf Oil Spill totaled roughly 200 million gallons of crude oil.
A conducting sphere of radius 10 cm has an unknown charge. If the electric field 20 cm from the centre of the sphere is 1.5 × 103 N/C and points radially inward
Chlorine gas can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric acid. How much MnO2 should be reacted with excess HCl to obtain 275 mL of chlorine gas at 5.0 °C and 650 mmHg?
The activation energy for the isomerization ol cyclopropane to propene is 274 kJ/mol. By what factor does the rate of this reaction increase as the temperature rises
What ions will the following elements form? Enter the letter of the item in Column Two that best matches the item in Column One.
A 1.17 g sample of an alkane hydrocarbon gas occupies a volume of 674 mL at 28°C and 741 mmHg. Alkanes are known to have the general formula CnH2n+2.
What is the enthalpy change corresponding to the melting of 2.5 moles of H2O? What is the system? What is the surrounding?
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