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Question- Calculate the pH of the solution that results when 40.0 mL of 0.12 M NH3 is a) Diluted to 20.0 mL with distilled water. b) Mixed with 20.0 mL of 0.25 M HCl c) Mixed with 20.0 mL of 0.30 M HCl solution d) Mixed with 20.0 mL of 0.20 M NH4Cl
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Draw the Newman projection formulas for the conformations of 2- methylbutane that are obtained by looking down the C2-C3 bond. Rank then oorder of relative stability
Problem- Electrolysis of a molten metal chloride (MCl3) using a current of 6.48 A for 1500 seconds deposits 1.51g of the metal at the electrode. a) What is this metal?
hat conclusions can you make concerning the size of the central atom X and the X-H bond length? Compare the four models of CHBrICI. Are they all the same (superimposable on each other? If the answer is yes, can you construct any that are not the s..
At what pH will a solution 0.15 M Cu2+ begin to precipitate as Cu(OH)2? The Ksp for Cu(OH)2 is 1.6 × 10-19.
A. Use Coulomb's law to calculate the ionization energy in kJ/mol of an atom composed of a proton and an electron separated by 154.00pm. B. What wavelength of light would have sufficient energy to ionize the atom
Explain the differences between ionic bonding and covalent bonding, and how each type of bonding affects solubility, melting and boiling points, and reactivity of compounds. Include at least 2 examples of each and organize your information in a ch..
what is the species list when titrating with hydrochloric acid? Aniline (benzenamine) has the formulas C6H5NH2. Its conjugate acid is C6H5NH3+.
In Mexico, avocados are 125 pesos per kilogram. What is the cost in cents of an avocado that weighs 0.45 lb if the exchange rate is 11 pesos to the dollar
a few compounds exist whose solubility decreases as the temperature increases. how would the values for deltag deltah
need to dissolve CaCl2 in water to make a mixture that is 31.0% calcium chloride by mass. If the total mass of the mixture is 405.5 g, what masses of CaCl2 and water should be used?
Calculating Volume Needed for Level of pH, A 1.00g sample of benzoic acid (C6H5CO2H, FW = 122.12g/mol,Ka = 6.5 x 10^ -5) is dissolved in water to give a solution with a volume of 500mL.
At 46 degrees Celsius, a sample of ammonia gas exerts a pressure of 5.3 atm. What is the pressure when the volume of gas is reduced to 0.10 of the original value at the same temp
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