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To a solution containing both acetic acid and sodium acetate, HCl is added. Beside hydroxide ions, which species will react with the extra protons from HCl to keep the pH from changing?
a) C2H3O-b) H+c) H2Od) HC2H3O2e) Cl-
assuming no energy is transferred to or from the surroundings, calculate the final temperature of the water after all the ice melts heat capacity(s) 37.7 jmolk
The equilibrium constant kp for the following reaction is found to be 4.31 *10^-4 at 375 degrees C. N2(g)+3H2(g) 2NH3(g) Calculate the partial pressures of all species when equilibrium is reached.
If the titrant has a molarity of 0.2750 M and there are 5.00 mL of analyte present, what is the molarity of the analyte
What characteristic properties distinguish the transition elements from the Group IA and -IIA metals?
A 40-year-old manager, at a prominent legal firm in L.A., experiences abdominal pain post lunch. He goes to the restroom a couple of times, but continues to experience pain and cramps. He eventually decides to get himself examined.
a 4.22g sample of cus was added to excess hcl and the resulting h2s was collected over water. what volume of h2s was
The total molarity of acid and conjugate base in this buffer is .100 M. A student adds 7.10 mL of a .250 M HCl solution to the beaker. How much will the pH change? The pKa of acetic acid is 4.760
A sample of gas occupies 175ml at 10C and 750torr. What volume will the gas have at 25C and 790 torr?
Draw clear representations of the two chair conformations of cis-2-methylcyclohexanol. Circle the hydrogen atoms which are anti to the hydroxyl group.
at 1200k kp0.25 for the reaction2no2g o2g 2no3calculate the equilibrium partial pressures of no2 o2 and no3 produced
the assignments contain questions that should be addressedwithin the body of a short paper.do not turn in short answers
How many moles of hydrogen gas are needed to react with 15.1 g chlorine gas, to produce hydrogen chloride gas
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