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A solution is prepared by adding 80.0 mL of 0.090 M HBr to 130.0 mL of 0.50 M HI. Calculate the concentrations of all species in this solution. HBr and HI are both considered strong acids.
what is the mass of the zinc sulfide product. Express your answer with the appropriate units.
Calculate the half life of N2O5 and B. how long does it take for the N2O5 concentration to drop one tenth of its original value. * I believe the half life is 10,000 seconds for part A. But I am having trouble with part B.
Generate the equilibrium constant expressions for the following reaction. Calculate the numerical value for
She drinks a lot of water and has consume milk of magnesia(ph value 10.5) before she feels comfortable again. State the pH values of water and blood and whether its acidic or alkaline.
If 4.00 mol of calcium carbide (CaC2) reacts with an excess of water, how many moles of acetylene (C2H2), a gas used in welding, will be produced.
Given that the standard enthalpy of formation of atomic hydrogen, H(g), is -219.0 kJ/mol, find the standard reaction enthalpy for the reaction H2(g) -> 2H(g) (calculate result in kJ/mol and give the numerical value)
A 25.0-mL aliquot of vinegar was diluted to 250 mL on a volumetric flask. Titration of 50.0-mL aliquots of the diluted solution required an average of 34.88 mL of 0.09600 M NaOH. Express the acidity of the vinegar in terms of the percentage (w/v) ..
trigonal bipyramidal E.octahedral F. T-shaped, G. see-saw, butterfly, or unsymmetrical tetrahedron, What is the hybridization of antimony
what would the coefficent of Al(NO3)3 be in the balanced equation?
Given two liters of .407 M KCl how many milliliters of this solution you should use to prepare 250.0 ml of .175M KCl
Determine the theatrical yield if 1.56 grams of hydrogen is permitted to combines with 9.70 grams of nitrogen producing 1.43 grams of ammonia?
what are the relative energies of the orbitals defined by n=4? if this atom is placed in a magnetic field, how would the relative energies of these orbitals change and why
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