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Ammonia, NH3, reacts with the hypochlorite ion, OCl-, to produce hydrazine, N2H4. How many moles of hydrazine are produced from 5.85 mol of ammonia if the reaction has a 78.2%
A 1.50 cm diameter parallel-plate capacitor with a spacing of 0.900 mm is charged to 300 V. What is the total energy stored in the electric field
WHen 1.187g of a metallic oxide is reduced with excess hydrogen, 1.054g of the metal is produced. What is the metallic oxide
A 297 turn solenoid has a radius of 5.00 cm and a length of 20.0 cm. Find the inductance of the solenoid
A mixture containing 9 mol of F2 and 4mol of S is allowed to react. This equation represents the reaction that takes place. 3F2+S-->SF6
A 2g sample of an unknown metal, M, was completely burned in excess O2 to yield .02224mol of the metal oxide, M2O3. What is the metal
Two spherical balls have volumes in the ratio of 27:1. What is the ratio of their surface areas
A sample of a compound of xenon and flourine contains molecules of a single type; XeFn, where n is a whole number. If 9.03x10^20 of these XeFn molecuels have a mass of .311g, what is the value of n
A student decides to move a box of books into her dormitory room by pulling on a rope attached to the box. If the coefficient of friction is unchanged, what is the new acceleration of the box
What is the morality of an unknown sulfuric acid solution if it takes 23.35 mL of a 0.3335 M lithium hydroxide solution to neutralize it?
The current in a coil drops from 3.1 A to 2.6 A in 0.53 s. If the average emf induced in the coil is 12 mV, what is the self-inductance of the coil
What volume, in L, of hydrogen gas at standard temperature and pressure (STP) is produced from reacting 0.333 L of 0.807 M hydrochloric acid with aluminum metal? (1 mol of gas @ STP = 22.4 L).
A technician wraps wire around a tube of length 37 cm having a diameter of 8.3 cm. If the current in this solenoid increases at the rate of 2 A/s, what is the self-induced emf in the solenoid
A metal sphere is filled with ammonia as part of a refrigeration device. what is the mass of the ammonia if it fills up half of the sphere
A stream of protons and electrons are shot horizontally (from the left edge of the page to the right) with a speed of 1.2 x 10^6 m/s, What is the radius of the curvature and the direction for the cur
What are the concentrations of the gases at equilibrium, if the initial concentration of carbon monoxide and water vapor are both equal to 0.325 M. Can you explain me what is the formula and how did
Calculate Kc2 for the following dimerization: 2NO2(g) -> N2O4(g), knowing that Kc = 2.24 for the decomposition written as half N2O4 -> NO2
Calculate so for cooling 1.00 mol of Ne from 298K to 253K under constant volume conditions using the Sakur-Tetrode equation
We can approximate an electron moving in a nanowire as a one-dimensional in?nite square-well potential. What are the three lowest energy levels of the electrons
A closely wound rectangular coil of 100 turns has dimensions of 20.0{\rm cm} by 50.0{\rm cm}. What is the average emf induced in the coil
The equilibrium constant Kc for the formation of ammonia: N2(g) + 3H2(g) -> 2NH3(g), is 3.6 x 10^8 at 25 C. What is the concentration of ammonia, when the equilibrium concentrations [N2] = 5.4 x
A common flashlight bulb is rated at 0.300 A and 2.60 V, what is the temperature of the filament when the bulb is on? Calculate in deg Celsius
Explain why it would have been inadvisable to supply hydrogen and sodium in elemental form and why it is not neccessary.
A horizontal spring with a spring constant of 0.6 N/m sits on a frictionless table, What is the magnitude of the elastic force on the mass just after it is released
Explain why it is unnecessary to run both of the following reactions: zinc + copper (II) sulfate, copper + zinc sulfate