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Find [H+] in an aqueous solution that is 0.50 M in NaNO2 and is 1.40 M in HNO2. For HNO2 (aq), Ka = 4.5 * 10^-4.
An electron spin can adopt either of two orientations in a magnetic field, and its energies are ±?BB, where ?B is the Bohr magneton. Deduce an expression for the partition function and mean energy of the electron and sketch the variation of the fu..
Assume that the metal rack is cooled from 240°F to 85°F, the temperature of the outlet water. The amount of heat removed from the retort walls in cooling from 240 to 100°F is 10 000 btu. Radiation loss from the retort during cooling is estimated a..
What is the difference between an ion-dipole force and dipole-dipole force? I have no idea what a dipole is.
total of 2.00 mol of a compound is allowed to react with water in a foam coffee cup and the reaction produces 149 g of solution. The reaction
The oxide is first reduced to Fe^2+, the Fe^2+ requires 4.00mL of 0.0200 M KMnO4. The reaction in acid is: 5Fe^3+ + MnO4^- + 8H^+ ---------> 5Fe^3+ + Mn^2+ + 4H20. Calculate the mass of Fe, and the mass of Fe2O3.
Calculating the Moles of Aspirin, The molecular formula for aspirin is HC9H7O4, Calculate the molecular weight for aspirin
what is the emperical formula of a compound that is 17.552% Na, 39.696% Cr, and 42,752% O?
The oil level in the arm connected to flask 2 is 14.17 cm higher than in the arm connected to flask 1. Flask 1 is also connected to an open-end mercury manometer. The mercury level in the arm open to the atmosphere is 18.48 cm higher than the leve..
How does putting a nut on fire under a soda can filled with water show thermochemistry and how does it produce energy from an exothermic reaction or absorb energy from an endothermic reaction
What is the effect of adding additional Br2 to the reaction mixture? What is the effect of adding additional BrNO?
Can someone give me a step by step solution from the Quantatative chemical analysis text from author Daniel c. Harris(the 8th edition) problem CH4-4-E. It about a confidence level.
Explain the chemical nature of storage fats. How are they stored (chemically), where are they stored (biologically).
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