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Hydrobromic acid is used to dissolve a sample of iron powder, producing a solution of iron(II) bromide.
Write the complete formula equation for the reaction, where ionic species are written as NaCl(aq) rather than Na+(aq) + Cl-(aq), using the smallest integer coefficients, including symbols for states of matter.
Calculate (in kJ) the standard enthalpy change ?Hº for the reaction written below, using the bond energies given
solution were added to 12.00 mL of an aqueous 0.025 M Fe3+ solution. The total volume of the solution is 20.75 mL. What is the initial diluted Fe3+ concentration?
What are the concentrations of the gases at equilibrium, if the initial concentration of carbon monoxide and water vapor are both equal to 0.325 M. Can you explain me what is the formula and how did you do it
what is the final temperature of A metal sample weighing 34.526 g was heated to 98.0 degrees Celcius then quickly transferred into a styrofoam cup calorimeter containing 74.365 g of distilled water at a temperature of 27.0 degrees celcius.
A 11.90 mL sample of this stock solution is added to 52.50 mL of water. Calculate the concentration of ammonium ions and sulfate ions in the final solution.
what is the underlying electronic reason for all periodic trends?
What is the maximum kinetic energy of an ejected electron if platinum metal is irradiated with 174-nm light? The threshold wavelength for a platinum metal surface is 212 nm.
The following data were collected for the rate of disappearance of NO in the reaction 2NO(g) + O2(g) ---------> 2NO2(g). Experiment [NO] (M) [O2] (M) Initial Rate (M/s)
the two flask are filled with nitrogen gas and when both are immersed in boiling water the gas pressure inside the system is .5 atm. one of the flask is then immersed in an ice water mixture, keeping the other in the boiling water. calculate the n..
what is the pressure of H2 gas collected over water when the total pressure is .980 atm at 25 degrees celsius.
1. one of the standard solutions had an abnormally low absorbace reading causing a less positive slop for the
What is the pH of the solution when the hydronium ion + concentration of 0.15 M CH3COOH is 6.3 × 10.
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