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What is the volume percentage of a solution prepared by dissolving 34 g of NaOH in enough water to make a final volume of 120 mL?
How many mL of a 10% solution can be made from the solution in part a? Show your work.
calculate the mole fraction of soluteand solvent present in the solution.
a voltaic cell with nini2 and coco2 half-cells has the following initial concentrations ni20.80 m co20.20 m. what is
Predict the reactivity of benzaldehyde compared to benzene in a Friedel-Crafts reaction. Benzaldehyde is _______________ reactive than benzene in Friedel-Crafts reactions.
If an organic chemist nitrated chlorobenzene, would the ortho:para ratio be less than, equal to, or greater than the 38:62 ratio observed with the nitration of bromobenzene
The method of concentrating the ore which makes use of the difference in density between ore and impurities is called
A filtration could be very time consuming if it were not aided by a gentle suction which is developed by:
dependent Schrodinger equations of a particle with mass m confined in the one-dimensional potential (1/2)kx^2 , where k is some constant.
The human body obtains 1078 kJ from a candy bar. If this energy were used to vaporize water at 100°C, how much water in liters could be vaporized
The specific enthalpy of a wet steam at 150.3°C (5 bars) is determined from the Steam Table to be 2,429 kJ/kg. Caculate the quality of the steam.
Pyridine is a weak base that is used in the manufacture of pesticides and plastic resins. It is also a component of cigarette smoke. Pyridine ionizes in water as follows: C5H5N + H2O C5H5NH+ + OH- The pKb of pyridine is 8.75. What is the pH of a 0..
Energy level of electrons in atoms - The 3s level in hydrogen has a lower energy than the3d level in hydrogen.
Illustrate the law of conservation of mass by drawing the following equations using symbols provided 2Ag2O -> 4Ag + O2
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