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What mass of aluminum can be plated onto an object in 775 minutes at 8.50 A...
Describe how you could calculate the mass of metal plated onto an object, besides measuring the difference in masses (include reactions and equations).
Metallic aluminum can be made by the electrolysis of molten A.O. (a) What mass of N is formed by passing a current of 7.65 A through molten Al., for 3.80 days? The unbalanced chemical reaction representing this electrolysis is shown below. Alo Alto g of Al is formed by this electrolysis, (b) How many minutes are needed to plate out 20.00 g of Al from molten Als, using 7.48 A current? minutes are needed
A (B+25.0) g mass is hung on a spring. As a result the spring stretches (8.50+A) cm. If the object is then pulled an additional 3.00 cm downward and released, what is the period of the resulting oscillation? Give your answer in seconds with 3 significant figures. A=9, B=081
Initially, 48.0 g of ice at 0 °?? is in an aluminum calorimeter can of mass 2.0 g, also at 0 °??. Then 75.0 g of water at 80 °?? is poured into the can. What is the final temperature?
What mass of aluminum metal can be produced per hour in the electrolysis of a molten aluminum salt by a current of 26 A? Express your answer using two significant figures.
What mass of aluminum metal can be produced per hour in the electrolysis of a molten aluminum salt by a current of 23 A?! Express your answer using two significant figures. 140 AEDROO? Submit Request Answer
If 54 J of heat is added to an aluminum can with a mass of 29.5 g , what is its temperature change? Specific heat capacity of aluminum is 0.903 J/g∘C.
Part A If 55 J of heat is added to an aluminum can with a mass of 22.4 g, what is its temperature change? Specific heat capacity of aluminum is 0.903 J/g° C Express your answer using two significant figures.
A cleaned, dried aluminum can (Cherry Pepsi) was recently weighed. The recorded mass was 13.2518 grams. Assuming that 0.5000 g of the weight was other materials (paint, aluminum oxide), what would the theoretical yield be (on a mass basis) if all of the aluminum in the can was converted into alum? Remember to report your result with the correct units and precision.
What is the mass of ice (in g) at 0 °C that can be completely melted into liquid water at 0°C by a 119 g aluminum block at temperature 112 °C? Assume the aluminum block can melt the ice until its temperature drops to 0 °C. The heat capacity of aluminum is 0.903 J g-1 °C-1 and the heat of fusion of water is 6.02 kJ mol-1. Express your answer to 3 significant figures.