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Question- Bob the forgetful electrochemist has a half-cell that he knows is standard, but not which metal it is composed of. He couples it with a standard Li | Li+ half-cell and measures a voltage of 1.385 V. What is the metal | ion of the unknown?
Be supposed to answer all parts thus I can get five stars
Which statement is not true about fission? Answer a. process requires initiation by a neutron b. products have smaller nuclei than reactants c. combination of atomic nuclei d. critical mass produces a chain reaction
If an aqueous solution has a hydroxide ion concentration ([OH-]) of 5.94 x 10-5 mol/L, what is the hydronium ion concentration? 4.48 x 10-12 mol/L 1.68 x 10-10 mol
A gas mixtue of Ne and Ar has a toal pressure of 4.00 atm and contains 16.0 mol of gas. If the partial pressure of Ne is 2.75 atm, how many moles of Ar are in the mixture
Question- Calculate the molarity of H2C2O4 in 0.2 M oxalic acid (H2C2O4) if Ka1= 0.059, Ka2=6.5x10^-5, and Kw=1x10^-14. Answer in units of mol/L.
While the subsequent chemical reaction was at equilibrium the volume of the reaction vessel was decreased. Explain which way did the reaction shift if at all? I2(g) + Cl2(g) 2 ICl(g)
What is the observed slope (mV/pH unit) of the calibration curve. What is the theoretical slope at 30°C
Assuming that equilibrium has been reached, calculate Kc and Kp for the reaction.
Meteorologists historically reported pressures in mmHg or inches of water. Explain what is the pressure in atm and in pascals, if the pressure in a lower pressure system is 722 mmHg
Explain what is meant by a spontaneous process. Is a spontaneous process necessarily a rapid one? Explain, and provide a real reaction as an example to illustrate your answer.
Calculate the values of Avogadro's number and the Faraday assuming the charge in an electron is 1.602 x 10^-19 coulombs/electron. Also calculate the mass the magnesium anode have lost during the process.
Why is a melting point of an impure compound depressed and its range is increased when you compare it to the pure compound
When a He atom absorbs a photon to form the excited configuration 1s^1 2s^1 (here called He*) a weak bond forms with another He to form the diatomic molecule HeHe*. Construct a molecular orbital description of the bonding in this species.
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