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Does the amount of solute used affect the freezing point depression?
Question- 1) What volume ratio of 0.110 M HCOONa to 0.125 M HCOOH would be needed to prepare a buffer with a pH of 4.00. 2) How many mL of each would be needed to prepare 50 mL of this buffer.
In trans-1,2-dibenzoylethylene, even though the conjugated C=O group frequency coincides directly with the expected C=C stretching fequency, we would not have expected to observe the late stretching mode in the infrared spectum. Why
How much PV work is done in kilojoules delta E if 89.5 g of ethylene and 125 g of HCL are allowed to react at atmostphere pressure and volume change is -71.5 L
A coordination complex is found by study to contain 21.79Co,18.90 NH3, and 39.32 Cl. Presume the remainder, if any, is water. Explain what is the empirical formula for this coordination complex
Equal volumes of 0.316 M aqueous solutions of nitrous acid and sodium acetate are mixed. What is the nitrite ion concentration once equilibrium is established
how much energy is lost by 10 kg of silver if it is cooled from 35 degree celsius to 21 degree celsius
a mass of .1 kg of helium fills a .2m3 rigid vessel at 350 kpa. the vessel is heated until the pressure is 700 kpa.
Match each item in Column A with the corresponding item in Column B regarding the processes of nitrification and denitrification: Column A Column B a. NH4+ i. Electron acceptor for denitrification
Arrange the following solutions in order of increasing pH(from lowest to highest) and explain your reasoning. Assume each solution has a concentration of 0.10mol L-1
Write a structural formula and a line-angle formula of each isomer of C4H8. Do not include any cyclic structure. Write the IUPAC name of each isomer. Make sure to include the cis- or tran- in the name if applicable.
A reaction mixture contains 0.41 M I2, 0.27 M Br2 and 3.5 M IBr. Which of the following statements is TRUE concerning this system. I2(g) + Br2(g) 2 IBr(g) Kc = 1.1 × 102
If 25.6 L of NO2 forms, measured at 35°C and 605 mm Hg, what is the percent yield?
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