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Consider the voltaic cell below, which is symmetric except for the fact that [Cu2+] is 1.0 M on the left side and 0.01 M on the right. Which electrode is +, and what is Ecell?
a) Cu/Cu2+, 1M/Cu2+, 0.01 M/Cu
b) Right electrode is +, and Ecell = 0.059 V
c) Left electrode is +, and Ecell = 0.059 V
d) Right electrode is +, and Ecell = 0.030 V
e) Left electrode is +, and Ecell = 0.118 V
when 0.800 grams of NaOH is dissolved in 100.0 grams of water, the temperature of the solution increases from 25.00 degree to 27.06 degree .
Technetium-99 is a long-live radioactive isotope of technetium. Each nucleus decays by emitting one beta particle. What is the product nucleus?
He finds that the total pressure at equilibrium is 40% greater than it was originally. What is Kc for this reaction?
Suppose you add 4.25 g of naphthalene, C10H8, to 67.9 g of benzene, C6H6, and they form an ideal solution. The vapor pressure of pure benzene is 0.1252 atm at the temperature of the experiment.
The reaction between sulfur dioxide and oxygen is exothermic. 2 SO2 (g) + O2 (g) 2 SO3 (g) Which of the following factors will cause the equilibrium to be shifted to the right
The standard cell potential of the zinc-air battery is 1.65V. If at 25 dgrees celsius the partial pressure of oxygen in the air diffusing through its cathode is 0.21 atm.
When performing your experiment, you add your first drop of oleic acid/benzene solution, and a lens forms immediately.
Calculate Kc for the reaction 2CCl4(g) + O2(g) [3] 1.75 moles of H2O2 were placed in a 2.50 L reaction chamber at 307C. After equilibrium was reached, 1.20.
The standard free energy of formation of gaseous hydrogen iodide is 1.30 kJ/mol at 25°C. Find Kp for the reaction 2HI(g) -> H2(g) + I2(s) at this temperature.
If 125 cal of heat is applied to a 60.0 g piece of copper at 24C, what will the final temperature be? The specific heat of copper is 0.0920cal/(g x C).
Draw a flow chart that illustrates how you would purify an organic compound that is contaminated with inorganic solids that are water soluble
calculate the moles of CO2 you would theoretically expect from 0.203 grams of an alka-seltzer tablet at 700. torr and 285. K.
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