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Question- Suppose that you have 135 mL of a buffer that is 0.200 M in both hydrofluoric acid (HF) and its conjugate base (F-). Calculate the maximum volume of 0.370 M HCl that can be added to the buffer before its buffering capacity is lost.
Here is the problem which I am struggling on, please help me!
While did the mammoth live. Presume that living organisms have a carbon-14 decay rate of 15.3 dis/min*g C as well as that carbon-14 has a half-life of 5730 yr.
Describe each of the following equations in terms of 1)number of particals and 2)number of moles: a) 2Al(s)+3Cl2(g)--->2AlCl3(s); b) 4HCl(g)+O2(g)--->2Cl2(g)+2H2O(g).
Predict which substance in each of the following pairs has a greater molar entropy. 1. P4 (g) vs. P2 (g) 2. HNO3 (aq) vs. HNO3 (l) 3. CuSO4 (s) vs. CuSO4 * 5H2O (s)
Calculate the partial pressure of SO2. Calculate the partial pressure of Cl2. Calculate the equilibrium constant at this temperature.
considering the given thermochemical equation 2nog o2g rarr 2no2g in which ?hdeg is given -114.4 kj then determine
lidocaine is used as a drug during heart attacks to correct irregular heart rhythms called pvcs. the normal dosage is
During steel formation, why do the following reactions cause the temperature in the converter to increase?
An alcohol is 12.61 percent Hydrogen, 37.47 percent Carbon, and 49.92 percent Oxygen by mass. Determine the empirical formula of the alcohol.
While preparing oxalate buffer technician by mistake added 0.1 M of CaC2O4 (pKsp=7.9) to 0.2 M solution of oxalic acid (pKa's 1.25; 4.26). What is the pH of this solution? Is it a buffer
When pure sodium is placed in an atmosphere of chlorine gas, the following spontaneous reaction occurs: 2Na(s) + Cl2(g) + 2NaCl(s). Which of the following statements is true about the above reaction
The standard change in free energy at 122oC is -6.001 kJ for the reaction A(s) + 2 B(g) ? AB2(g) We prepare a mixture at 122oC in a sealed 3.020 L vessel to contain 0.0370 mol A, 0.509 atm B, and 0.344 atm AB2. What is the free energy change (kJ) ..
write an assay paper review on the application of suspended particles or particles solid form liquid or gas such as in
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