Calculate the standard free-energy change
Calculate the standard free-energy change at 25°C for the following reaction. Use standard electrode potentials.4 Al(s) + 3 O2(g)+ 12 H+(aq) → 4Al3+(aq) + 6 H2O(l)
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The other end of the string is attached to a massless axel through the center of an orange sphere on a flat horizontal surface that rolls without slipping and has mass ms = 4.4 kg and radius Rs = 0.19 m. The system is released from rest. 1) What i
A coil of an area 0.100 is rotating at 60.0 rev/s with the axis of rotation perpendicular to a 0-200-T magnetic field. (a) If the coil has 1000 turns, what is the maximum emf generated in it? (b) What is the orientation of the coil with respect to
A voltaic cell, whose cell reaction is given below, has a cellpotential of 0.72 V.2 Fe3+(aq) + Zn(s)→ 2 Fe2+(aq) +Zn2+(aq)What is the maximum electrical work that can be obtained from this cell per mole of iron(III) ion?
A 2.00-H inductor carries a steady current of 0.500 A. when the switch in the circuit is opened, the current is effectively zero after 10.0 ms. what is the average induced emf in the inductor during this time interval?
Find the standard form of the equation of a circle that satsifies the given condition Center (9,-8); passing through the point (12,-4).
A 44.9-N frictional force opposes the motion of the cart. (a) What is the magnitude of the force that the shopper exerts? Determine the work done by (b) the pushing force, (c) the frictional force, and (d) the gravitational force.
Calculate the pressure exerted by 0.35 mole of oxygen gasin a volume of 6.50 L at 32oC using a) the ideal gasequation and b) the van der Waals equation.
Use the given condition to find an equation in slope-intercept from of each of the nonvertical lines. Determine wheather the pair of lines is paralled, prepeniduclar or neither
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