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Consider the reaction N2(g) + 3 H2(g) <=> 2 NH3(g), which is exothermic as written. What would be the effect on the equilibrium position of increasing the volume of the reaction container? Please explain
A particular calorimeter is calibrated and is found to have a calorimeter constant, Ccal = 3.640 kJ/°C. When 1.500 g of an unknown hydrocarbon was combusted in the calorimeter
If the rate of appearance of oxygen (?[O2]/?t) is 6.0 x 10-5 M/s at a particular instant, what is the value of the rate of appearance of ozone (-?[O3]/?t) at this same time
what is the concentration of H2 in the water in grams per milliliter? (See Appendix G in your textbook for the vapor pressure of water.)
Calculate the concentration of Cu^2+ in a solution prepared by adding 4.5*10^-3 mol of CuSO4 to 0.490 L of 0.37 M NH3.
The Kb of methylamine, CH3NH2, is 4.2 x 10-4. Calculate the pH of a solution of 0.431 M methylamine.
What is the molar mass of an unknown gas if the density of that gas is 0.726 grams/liter at a pressure of 0.634 atm and a temperature of
What is a possible molecular formula of the hydrocarbon?
Water is 11.2% hydrogen and 88.8% oxygen by weight. If 75.5 grams of hydrogen are produced by decomposing water, how many grams of water were decomposed and how many grams of oxygen were produced
As a chemist for an agricultural products company, you have just developed a new herbicide,"Herbigon," that you think has the potential to kill weeds effectively. A sparingly soluble salt, Herbigon is dissolved in 1 Macetic acid for technical reas..
Hardness in groundwater is due to the presence of metal ions, primarily Mg2 and Ca2 . Hardness is generally reported as ppm CaCO3 or mmol/L Ca2 . To measure water hardness, a sample of groundwater is titrated with EDTA,
A ground-state H atom absorbs a photon of wavelength 94.91 nm, and its electron attains a higher energy level. The atom then emits two photons: one of wavelength 1281 nm to reach an intermediate level, and a second to return to the ground state.
The reading on a mercury manometer at 25 deg C (open to the atmosphere at one end) is 56.38 cm. The local acceleration of gravity is 9.832 m s-2.
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