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Problem- What is the concentration of NH4+ in a 0.20 M ammonia solution? The base dissociation constant for ammonia is 1.8 x 10^-5.
a) 0.0019 M
b) 0.20 M
c) 0.040 M
d) 0.020 M
Please illustrate how you got the answer mainly the part of how you got the pH
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as a chemical engineer you have the option of operating a reversible flow compressor either adiabatically or
ephedrine is used as a bronchodilator and decongestant. phenobarbital is used as an anticonvulsant and sedative. what simple chemical test distinguishes these 2 medicines?
Problem- How much work must be done on a system to decrease its volume from 12.0 L to 4.0 L by exerting a constant pressure of 5.0 atm
A 9.20-L container holds a mixture of two gases at 47 °C. The partial pressures of gas A and gas B, respectively, are 0.315atm and 0.803 atm. If 0.180 mol of a third gas is added with no change in volume or temperature, define what will the total ..
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Suppose the first-order rate constant at 70C for the decomposition of dinitrogenpentoxide is 6.82*10^-3s-1. Formula for reaction is 2 N2O5-----> 4 NO2 + O2
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