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Question- If the complex [Fe(NH3)6]2+ is paramagnetic, can you tell whether it is an octahedral or tetrahedral complex? What if the complex were diamagnetic?
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Explain Zinc sulfide reacts with nitric acid to give zinc sulfate and nitric oxide. Compute the mass of zinc required to react with 110mL of 0.15 M nitric acid
A solution is made by mixing 8.00mmol (millimoles) of and 1.00mmol of HA the strong base. What is the resulting pH
Magnesium Hydroxide is a slightly soluble substance. If the pH of a saturated solution of Mg(OH)2 is 10.49 at 25 degrees celcius, calculate Ksp for Mg(OH)2.
Using standard enthalpies of formation from Appendix 2A, calculate the standard reaction enthalpy for the following reaction, the final step in the production of nitric acid
A sample of ammonia gas (NH3) is completley decomposed to nitrogen gas and hyrdogen gas. If the total pressure at the end of the reaction in 866mmHg
Iron reacts with chlorine gas as follows: 2 Fe (s) + 3 Cl2 (g) > 2 FeCl3 (s)
calculate the concentration in molarity of a NaOH solution if 25.0 ml of the solution are needed to neutralize 17.4 ml of a .312 M HCl solution.
Determine the concentrations of the following ionic species present in a 0.333 M solution of the diprotic acid H2SO3. For H2SO3, Ka1 = 1.4E-2, Ka2 = 6.3E-8.
Given that B(SiO) 640 kJ/mol, show that bond enthalpy considerations predict that silicon-oxygen compounds are likely to contain networks of tetrahedral with SiO single bonds
If I put a lot of indicator, would it affect the absorbance of a solution that only contains an acid and a base (not a titration, but just the absorbance, meaning the color of indicator)
What is the maximun number of ballons that can be inflated. Assume that the gas in the cylinder is at the same teperature as the inflated ballons.
The solution diluted in half by water (1 mL of X and 1 mL of H2O) has an absorbance at 425 nm of 0.8 and a molar extinction coefficient of 1.5 ? 103 M-1 cm-1. What is the molar concentration of the original solution of X? (1 cm cuvette)
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