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Suppose you pour 20 mL of silver nitrate into a beaker with 80 mL of water (H20) in it. You also pour 20 mL of silver nitrate into a separate beaker, but this one contains 80 mL of salt water (NaCl). Is the percent strength of the silver nitrate the same in both of these solutions
calculate the solubility of Ca(OH)2 in a 0.469M Cacl2 solution at 31 Degrees, given the Ksp of Ca(OH)2 is 4.96*10^-6. give answer in milli molar units.
These three complexes appear colored red, yellow, and green (but not necessarily in that order). Match each complex with its apparent color. d.) Could any of these compounds exhibit geometrical isomerism? Show all possible geometric isomers for ea..
After you ran reaction with 2g of ferrocene (MW= 186 g/mol), 2mL of acetic anhydride (density= 1.082 g/mL, MW= 102 g/mol) as well as 0.2mL of 85% HCl, you obtained 2.1 g of acetylated ferrocene MW= 228 g/mol. Explain what is the theoretical yield ..
For reversible adiabatic expansion of a perfect gas, state if possible whether the following are positive, negative, or equal to zero. State a short explanation for each.
Question- How many grams of metal are deposited at the cathode by the passage of 2.30A of current for 80min in the electrolysis of an aqueous solution containing the following ions
Going off of what our teacher was saying about the concept that a system's attempt to establish equillibrium is the true driving force of all chemical processes.
what concentration of aqueous nacl solution freezes at -15.2 c? the freezing point of pure water is 0.0 c and kf of
Presume that gasoline can be represented as consisting completely of C8H18. Gasoline has a density of 0.85 g cm- 3. Presume that combustion of CgH18 leads to CO2 and H2O. Explain how many kilograms of CO2 does your driving contribute to the atmosp..
(1) write the electron configuration of Co (III) (2) what is the geometry structure of this complex ion? Linear, Tetrahedral, Square planar or Octahedral. (3) predict the number of unpaired electrons in [Co(en) ] (4) draw the crystal field diagram..
The concentration of the first ion to precipitate (either Al3+ or Ca2+) decreases as its precipitate forms. What is the concentration of the this ion when the second ion begins to precipitate?
determine the mass of solid sodium formate of mw 68.0 must be combined to 150 ml of 0.66 moll hcooh to make a buffer
A 155 g sample of an unknown substance was heated from 25.0°C to 40.0°C. In the process, the substance absorbed 5696 J of energy. What is the specific heat of the substance?
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