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Bromothymol blue is a common acid-base indicator. It has a Ka equal to 1.6 x 10^-7. Its un-ionized form is yellow and its conjugate base is blue. What color would a solution have at pH = 5.8?
A flat 103-turn current-carrying loop is immersed in a uniform magnetic field. The area of the loop is 5.47 cm2 and the angle between its magnetic dipole moment
Explain the significance of the charge on O and H using using concepts you learned about like electronegativity and bond polarity.
What is the mole fraction of solute and the molal concentration for an aqueous solution that is 16.0% NaOH by mass
a)calculate the atom economy and reaction efficiency of your synthesis of isopentyl acetate. b) tell how the procedure of isopentyl acetate might be modifed to increase the reaction efficiency . c)Describe some green features of your syntheisi, an..
Balnace the following half reactions in an acidic solution a) MnO4 -(aq)---- MnO2(s) b) IO2- (aq)----Io4-(aq) based on (a) and (b) above, write balanced redox eqautions of (A) in an acidic solution MnO4-(aq) + IO3_(aq)----MnO2(s) + IO4- (aq) (A)
Calculate the partial pressure (in atm) of HBr at equilibrium when 5.00 atm of CH3Br and 5.00 atm of H2O react at 1000 K according to the following chemical equation
In an acidic dry cell battery, the following unbalanced half reaction takes place in acidic solution: MnO2(s)>Mn2O3(s). a)balance the half reaction. b)is MnO2(s) oxidized or reduced. c) indicate whether the half reaction takes place at the anode o..
draw the structure or structures of ALL the carbocations that could potentially form from the alkenes, and 3) label each carbocation as primary, secondary, or tertiary.
The vapor pressure of chlorine dioxide (ClO2 ) is 155 Torr at -22.75 ? C and 485 Torr at 0 ? C. What is the normal boiling point of chlorine dioxide?
A 25.72 mL sample of a 0.200 M solution of barium nitrate is mixed with 11.19 mL of a 0.250 M solution of potassium sulfate. Assuming that all ionic species are completely dissociated
What is the volume in mL of 0.845 M NaOH(aq) needed to reach the equivalence (stoichiometric) point in the titration
What is the minimium wavelength of light necessary to ionize an atom of sodium? what is the minimum wavelength of light necessary to ionize a mole of sodium atoms?
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