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The decomposition of dinitrogen monoxide into nitrogen gas and oxygen gas is a first-order process with a half-life of 3.50 x 103 min at 730°C. Under these conditions, if you filled a fixed-volume container with 2.10atm of dinitrogen monoxide, what would the pressure be inside the container after one half-life has elapsed?
2Hg+2 + N2H4 ------> 2HG + N2 + 4H+ If 13.52 grams of mercury if formed. If you had 135.0 ml of Hg+2, what was the original concentration of Hg+2
What is the wavelength (in meters) of photons with the following energies? In what region of the electromagnetic spectrum does each appear? given 90.5KJ/mol
One component of wet rust is Fe(OH)2' How many grams of oxygen, O2, are in 1 kg of Fe(OH)2
Standard reduction potentials are given on the next page. (a) Draw a diagram of the electrochemical cell, labeling all electrodes and solutions. (b) What is the pH in the Pt | H+ | H2 half-cell? (c) What is the value of the equilibrium constant fo..
A sample of air contains 78.08 % N2, 20.94% O2, 0.05 %CO2, 0.93% Ar by volume. a) How many molecules of each gas present in 1.00 L sample at 25 C and 1.00 atm. b)What is the partial pressure of each gas?
A fluoridated water supply contains F- at a concentration of 8.9 ppm. What is the maximum concentration of Mg2+ that can exist in this water supply without causing precipitation? The Ksp for MgF2 is 6.4×10-9. Answer in units of grams/L.
Assume that you have a cylinder with a movable piston. What would happen to the gas pressure inside the cylinder if you do the following
to calculate the number of molecules of a gas using ideal gas law and avogadros number.ozone molecules in the
How much heat is gained by copper when 51.8 g of copper is warmed from 15.5*C to 76.4*C? The specific heat of copper is 0.385 J/(g x *C)
if you have a set of h-atom wave functions and wish to evaluate what would be the measured value of the electric dipole
Green light has a wavelength of approximately 645 nm. What is the energy in kJ of 1.00 mole of photon of green light
the pressure of a sample of a 1000 mL sample of gas at 10.0C increases from 700 mm Hg to 900 mm Hg. If the volume is unchanged, what is the new temperature
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