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1. What are the two metal strips in the Daniell's cell?
2. What is used to connect the two containers of the Daniell's cell?
3. What crosses over the salt bridge?
4. What is the voltage of a fresh Daniell's cell?
5. What happens to the voltage of the Daniell's cell over time?
6. What is in the solution of a lead-acid battery?
7. What is the natural voltage of a lead-acid cell?
8. How many cells make-up an automobile battery?
9. Why does an automobile battery last so long?
10. What allows a lead-acid battery to deliver the enormous currents needed to start a car?
Calculate the partial pressure of propane in a mixture that contains equal masses of propane (C3H8) and butane (C4H10) at 20.0 °C and 738 mm Hg.
State the structure of the major organic product formed in the reaction of 1-pentene with diborane in diglyme, followed by basic hydrogen peroxide
Experimentally the rate law is determined to be third order. under what conditions (if any) does your derived rate law agree with the experimental rate law
State the chemical equation for the acid base reaction between sodium hydroxide and (+) tartaric acid.
Problem- Calculate the translational partition function of phosgene gas, COCl2, if its confined to a volume of:
A student followed the procedure of this experiment to determine the Caloric content of a Planter's cocktail peanut. The peanut studied had a mass of 0.609 g before combustion and 0.053 g after combustion
When butyl bromide is treated with sodium iodide in ethanol, the concentration of iodide quickly decreases but then slowly returns to its original concentration. Explain what will be the major product in this reaction.
State an equation showing the reaction of acetylsalicylic acid with sodium bicarbonate. Explain what happens when this reaction mixture is treated with hydrochloric acid. (Reaction equation would be appropriate)
Problem- How much heat is evolved in converting 1.00 mol of steam at 130.0?C to ice at -45.0?C? The heat capacity of steam is 2.01 J/(g??C) and of ice is 2.09 J/g?C
The temperature of the mixture is 0 \rm ^{\circ}C , and the total pressure is 1.00 \rm atm . How many grams of helium are present in the gas mixture?
For the neutralization reaction involving HNO3 and Ca(OH)2, how many liters of 1.55 M HNO3 are needed to react with 45.8 mL of a 4.66 M Ca(OH)2 solution?
2000°C the equilibrium constant for the reaction is Kc = 2.4 103. 2 NO(g) N2(g) + O2(g) If the initial concentration of NO is 0.150 M, what are the equilibrium concentrations of NO, N2, and O2.
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