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In the isothermal reversible compression of 52.0 mmol of an ideal gas at 260 K, the volume of the gas is reduced from 300 mL to 100 mL. Calculate w for this process.
Soggy french fries drenched in Vinegar, which is a 0.83M solution of acetic acid. If the acetic acid in vinegar is 0.47% dissociated, calculate Ka for acid. What is the pH of this solution
62 mL of 1.7M solution is diluted to a volume of 208mL. A 104mL portion of that solution is diluted using 141mL of water. What is the final concentration
112 mL of a glucose (C6H12O6) solution is prepared by diluting 8.2 mL of a stock solution of unknown concentration. If the dilute solution contains 0.20 moles of glucose
You start with 100.0 mL of a 0.2500 M solution of NaCl sitting in a beaker. After several days you test the solution and find that it is now 0.3125 M. How much water must have evaporated?
What is the average current passing through a solution of NiSO4 if 1.25 g of Ni were deposited in 4.07 hours? i = A
What would be the effect of increasing the temperature of a gas chromatography column during the analysis of a gasous mixture if isothermal chromatography is done
What is the hydronium ion concentration of a 0.500 M acetic acid solution with Ka = 1.8 x 10-5. The equation for the dissociation of acetic acid is: CH3CO2H(aq) + H2O(l) H3O+(aq) + CH3CO2-(aq)
determine the molarity of the naohsodium hydroxide solution. in an acid-base titration 22.13 ml of a sodium hydroxide
Oxygen difluoride, OF2, is a colorless, poisonous gas that reacts rapidly with water vapor to produce O2, HF, and heat. OF2(g) + H2O(g) --> 2HF(g) + O2(g) + 324.4 kJ
Determine the maximum number of electrons that can exist in a completely filled n=5 level. Give four possible quantum numbers for a 5f electrons of the hydrogen atom
Since it is only slightly soluble, assume that the volume of the solution does not change on dissolution, and calculate the solubility product. Solubility of InF3: 4.0 x 10-2 g/100. mL
Silicon tetrafluoride reacts with F- to produce the hexafluorosilicate ion, SiF6 2-. GeF4 behaves similarily, but CF4 does not. (A) Draw Lewis structures for SiF4, GeF6 2-, CF4. What is the hybridization of the central atom in each species
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