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If E degree cell=-0.51V for the reaction below at 25 degree C, what is the value of the equilibrium constant at this temperature. Zn2+(aq) + Ni(s) <--> Ni2+(aq) + Zn(s)a) 2.4e-9b) 1.7e17c) 1.9e0d) 5.8e-18e) 9.8e-1
A sample of gas in a balloon has an initial temperature of 22 and a volume of 1610 . If the temperature changes to 58, and there is no change of pressure or amount of gas, what is the new volume, , of the gas?
nbsp25.0 ml of ethanol density 0.789 gml initially at 5.4degc is mixed with 34.6 ml of water density 1.0 gml
What is the vapor pressure, at 28 degrees C, of a solution made by mixing 80.0 g of C3H7SH and 120.0 g of CH3CN, if Raoult's Law is obeyed
How do I determine how much energy is needed to move an electron from n1 to n2 and n3? What is the formula
a gas mixture with a total pressure of 770 mmHg contains each of the following gases at the indicated partial pressures: CO2, 122 mmHg; Ar, 209 mmHg; and O2, 191 mmHg. The mixture also contains helium gas. what is the partial pressure of the heliu..
A gaseous mixture contains 407.0 Torr of H2 , 377.5 Torr of N2 , and 83.3 Torr of Ar , calculate the mole fraction, X, of each of these gases . X H2 : number
a certain first-order reaction a--gt products has a rate constant of 3.60times10-3 at 45 degrees celsius. how many
Calculate the molarity of 464 mL of a solution that contains 135 g of sucrose C12H22O11
How Many moles of NaOH are needed to neutralize the acid? D) Calculate the volume of NaOH solution required to react completely with the acid.
the ei mass spectrum of cocaine r1 ch3 r2 ph is shown below.a. for the four highest-mass fragments what masses are
Write a detailed, stepwise mechanism for all steps in the addition of HBr to 1-pentene in the presence of peroxide. Show all intermediates and use cuved arrows as appropraite.
what is the final temperature of a metal sample weighing 34.526 g was heated to 98.0 degrees celcius then quickly
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