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Explain the process by which a water softener works, please include the regeneration process.
A sample of gas is stored in 716 mL tank at 205 kPa and 300 K. The gas is transferred to a different tank with a volume of 925 mL and 325 K. What is the pressure of the gas in the second tank?
The volume of .05 M KOH solution that contains the same number of mmol as .1 mL of tert-butyl bromide? For the number of mmol of tert-butyl bromide, I got .8912 mmol.
a gaseous sample of a compound has a gas density of 0.977 gl at 710.0 torr and 100.0 c. what is the molar mass the
the Williamson synthesis of the desired ether woudl favor one particular alkoxide ion-alkyl halide combination. Write the chemical equation for the formation of the favored alkyl halide, alkoxide ion, and ether.
The average mass of an atom of sulfur is 5.33 X 10-23 g. How many sulfur atoms are present in a 100.0g sample of sulfur
given that CO2 makes up .0355% of the atmosphere what is the maximum concentration fo CO2 in H2O. Using Henrys law C=kP where k for CO2 = 2*10^-3
Design a small-signal voltage amplifier using BJT's that meets the following specifications: 1) Voltage gain of 50 or more 2) Minimum input resistance of 15 k? 3) Output resistance less than 100 ? 4) Maximum unclipped output of 2V peak-to-peak 5) ..
1. how will you determine when all of the reactant has been converted into products?2. why is the crucible and its
Why do solutions of iodide ion in water appear yellow when I- is oxidized to I2 by a suitable oxidizing agent, while solutions of I- in CCl4 or CHCl2 appear violet when the same oxidationis done?
Use Coulomb's law to calculate the ionization energy in kJ/mol of an atom composed of a proton and an electron separated by 278.00 pm then, What wavelength of light would have sufficient energy to ionize the atom
This assignment requires that you prepare a research proposal of between 15 and 20 pages on a topic in your chosen area of research related to marketing strategy
cubic centimeter of rubber is worn off an automobile tire with each revolution of the wheel?
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