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A sample of 2 g of nitrogen can be combined with 2.285714 g of oxygen to form nitric oxide gas (NO). What mass of oxygen would be required to convert the same sample of nitrogen to nitrogen dioxide (NO2) instead?
As a food chemist for a major potato chip company, you are responsible for determining the salt content of new potato chip products for the packaging label.
If 25.6 L of NO2 forms, measured at 35°C and 605 mm Hg, what is the percent yield?
what accounts for the large amount of ring strain in cyclopropane and cyclobutane? (Hint: what bond angle does an sp^y hybridized carbon prefer? What angles are necessary for each of the geometric shapes you are building?)
The basic Salt sodium acetate, CH3COONa, is completely soluble in water. What is the pOH of a 0.25 M solution of sodium acetate?
Considering which elements are being oxidized and reduced, determine how many moles of electrons are transferred between the elements being oxidized and reduced
calculate the seperation in Energy between the ground state and the first excited state in which one electron occupies the state with n=7.
Concentrated ammonia is added to an aqueous solution of copper(II) sulfate. Initially, a white precipitate forms. As more ammonia is added, the precipitate dissolves and the solution becomes a deep bluish-purple
heated in a stream of hydrogen until it was completely converted to the metal, If the metal weighed 1.68g, what is the formula of the iron oxide? (fe =56, O = 16)
How many milliliters of 5.40 M H2SO4 are required to react with 4.00 g of solid containing 50.0 wt% Ba(NO3)2 if the reaction is as shown?
A gas expands and does P-V work on the surroundings equal to 337 J. At the same time, it absorbs 177 J of heat from the surroundings. Calculate the change in energy of the gas.
The vapor pressure of dichloromethane,CH_2Cl_2, at 0 degrees C is 134 mmHg. The normal boiling point of dichloromethane is 40. degrees C. Calculate its molar heat of vaporization.
Water in the sample extracts into the methanol, which is then analyzed. If GC analysis of the methanol yields a peak height of 13.66, what is the % w/w water in the antibotic?
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