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A proposed automobile battery involves the reaction of Zn(s) andCl2(g) to give ZnCl2. If you want such a battery to operate for 12hours and deliver 1.5 A of current, what is the minimum mass ofZinc that the anode must contain?
Calculate w (in kJ) when 538 g iron (III) oxide (MM = 159.7 g/mol) reacts with excess carbon to produce carbon dioxide gas at 479 K: 2Fe2O3(s) + 3C(s) ? 4Fe(s) + 3CO2(g)
Explain the mechanisms of thermal explosions and branched-chain explosions. The atomic bomb is a classical model of a branched-chain explosion. Explain the notions of sub-critical, critical, and super-critical masses of a fissionable isotope.
A hot tub is filled with 470 gallons of water, which has a density of 1.0. How many kilocalories are needed to heat the water from 67 to 109?
Osmosis is the process responsible for carrying nutrients and water from groundwater supplies to the upper parts of trees. The osmotic pressures required for this process can be as high as 20.1 atm
The high resolution mass of a compound was measured to be 187.0878, Determine a likely molecular formula for this compound and explain how you arrived
If you know the answer please give units :) Part A: The reactant concentration in a zero-order reaction was 5.00×10^?2M after 140s and 3.00×10^?2M after 300s. What is the rate constant for this reaction? -> For this I got that 1.25x10^-4M/s, whic..
Decide how many of the molecules below can also be both cis and trans ring fused by building models
A rigid flask is initially filled with 4.00 atm of NO2(g) and no N2O4(g) at 100 C. After equilibrium is achieved, the pressure of NO2 is 1.56 atm.
The resulting W3 was transferred to 500.0 mL of 1.00 M HCl. A 100.00 mL aliquot of the HCl solution required 10.13 mL of 0.08840 M potassium permanganate (KMnO4) to reach the purple endpoint
Phenolphthalein is one of the most common indicators. What are its colors in acidic and in basic solutions?
Ethylene glycol, HOCH2CH2OH, is used as antifreeze. It is produced from ethylene oxide, C2H4O, by the following reaction. C2H4O(g) + H2O(l) ? HOCH2CH2OH(l)
The density of Cesium Chloride solid is 3.99 g/cm^3, and the radius of the Cs- ion is 181pm. What is the radius of the Cs+ ion in the center of the cell
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