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What's the volume of hydrogen that can be produced during the reaction of 25 g of iron with excess water, at 100 °C and 150 kPa, taking into account the following equation?
Fe + H2O ? Fe3O4 + H2
Calculate the change in pH to 0.01 pH units caused by adding 10. mL of 2.63-M NaOH is added to 440. mL of each of the following
Compute A current is drawn from the cell until 1.20 grams of Ag have been deposited at the Ag electrode. Determine the value of E for the cell at that stage of operation.
"disappeared" from a rock face that is adjacent to a lake (original pH=6.7) with dimensions 100 m x 40 m x 10 m. You think that the "disappearance" is due to leaching of the pyrite into the lake. To prove your point, what would the new pH of the l..
The concentration of NaCl in solution is 0.25 M. What volume of solution contains 5.0 g NaCl. A. 1.4 L B. 73 mL C. 340 mL D. 2.9 L
an optically pure compound was diluted to 400.0 mL with water and placed in a polarimeter tube 15.0 cm long. The measured rotation was -2.87° at 25 °C. Calculate the specific rotation of the compound.
5 ml of 0.05 M CuSO4 solution was mixed with 5 ml of 3 M NH3 solution.Calculate [Cu2+] in equilibrium with Cu(NH3)4^2+. Experimentally the cell potential was found to be 0.387
Nitrogen and Oxygen gases may react to form nitrogen monoxide. At 1500 C, Kc=1.0*10-5. If .030 mol N2 amd O2 are sealed in a 1.0 L flask at 1500 C. what is the concentration of NO when equlibrium is established
The total molarity of acid and conjugate base in this buffer is 0.100 . A student adds 6.60 of a 0.340 solution to the beaker. How much will the pH change? The of acetic acid is 4.760. Express your answer numerically to two decimal places. Use a m..
Where can i buy the solutions manual that accompany the 4th or 6th edition of The principles of Instrumental Analysis
What are these 3 techniques? Explain in detail how each technique is used and what information you receive from using them?
find the gram formula mass of each compound.a. li2sb. fecl3c.
How is electronegativity used in determining ionic and covalent character of the bonding between two elements. And how do you tell if between two componds which is more ionic/covalent
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