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Write a chemical equation for each chemical reaction. Fe + Pb+2, Fe + Ni+2, Fe + Sn+2, Ni + Pb+2, Ni + Sn+2, and Sn + Pb+2. Be sure to identify which element is being oxidized, which element is being reduced, which element is the oxidizing agent, and which element is the reducing agent.
suppose that 35.55 mL of permanganate solution is required to titrate 1.2055 grams of iron ammonium sulfate hexahydrate. calculate the concentration of the permanganate solution.
The equation for the dissociation of ammonia in water at equilibrium is:
Why do yeast cellsconsume less glucose in the presence of oxygen? Why does DNP counteract or prevent the Pasteur effect
100.0g of Cl2O7 are mixed with excess of water obtaining 136.0g of periodic acid according to the following reaction. Determine the percent yield of HClO4.
Presume the structure of compound Z C11H12O4 which has UV-Vis absorptions above 275 nm. Its IR spectrum depicts bands at 3208, 3175, 3100, 2947
An ideal gas mixture containing 30.0 mol% nitrogen dioxide and 70.0 mol% argon is to be prepared by allowing gaseous argon to fill an evacuated 35.0 L cylinder to a pressure of 3.75 bar.
Compute the pH of a buffer solution prepared by dissolving a 0.20 mole of cyanic acid (HCNO) as well as 0.80 mole of sodium cyanate(NaCNO) in enough water to make 1.0 liter of solution Ka(HCNO)=2.0*10-4
At 700 Kelvin the Kp=54 for H2 + I2 > 2HI and Kp=1.04E-4 for N2 + 3H2 > 2NH3. Determine the Kp for reaction 2NH3 + 3I2 > 6HI + N2 at 700 Kelvin.
when 1.50 l of 1.00 m na2so4 solution at 30.0 degrees celcuis is added to 1.50 l of 1.00 m bano32 solution at 30.0
Calculate the standard reduction potential for the reaction for the reaction Cu(III) to Cu(II).
How many grams of methanol must be added to 7.50kg of water to lower its freezing point to -15.0^circ C? For each mole of solute, the freezing point of 1 {rm kg} of water is lowered 1.86 ^circ {rm C}
After treatment with trypsin, which cleaves at R and K, there were 3 fragments: two dipeptides and MGAV. What is the sequence of the peptide? Use the one-letter abbreviations for the amino acids, and do not use dashes.
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