Determine the activation energy of a certain reaction
The activation energy of a certain reaction if 65.7kJ/mol. How many times faster will the reaction occur at 50 degrees Celsius than at 0 degrees Celsius? State the assumptions you need to make in order to perform this calculation.
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A rod 14.0 cm long is uniformly charged and has a total charge of 222.0 mC. Determine (a) the magnitude and (b) the direction of the electric field along the axis of the rod at a point 36.0 cm from its center.
A compound contains only C, H, and O. To analyze the compound, you determine its empirical formula by analysis for C and H, and its molar mass by freezing point depression.
Knowing that the diameter of the shaft is 1.75in and that τ allowable=8ksi, determine the largest permissible magnitude of the force P2.
A mixture of methane and water vapor pressure is passed over a nickel catalyst at 1000K. The emerging gas is collected in a 5.00L flask and is found to contain 8.62g of carbon monoxide, 2.60g of hydrogen gas, 43.0g of methane, and 48.4g of water v
High - pressure air at 500 kPa and 30°C is to be used to drive a small turbine for a powering high speed drill. calculate the mass flow rate of air required to run the drill.
Two wheels of mass m and moment of inertia I are connected by a massless axle of length L. The system rests on a frictionless surface and the wheels rotate without frequency ω around the axle. Additionally, the whole system rotates with freq
Nitric acid is often manufactured from the atmospheric gases nitrogen and oxygen, plus hydrogen prepared by reforming of natural gas, in a two-step process. In the first step, nitrogen and hydrogen react to form ammonia: n2(g)+3h2(g)->2nh3(g)
The Steeler kicker wants to kick a football through the uprights from a distance of 30 m. (okay - it's metric football). The kicked football has a velocity of 25 m/s at an angle of 30 degrees. Will the football clear the crossbar of the uprights (
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