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Problem- Tarnish on copper is the compound CuO. A tarnished copper plate is placed in an aluminum pan of boiling water. When enough salt is added so that the solution conducts electricity, the tarnish disappears. Imagine that the two halves of this redox reaction were separated and connected with a wire and a salt bridge.
Calculate the standard cell potential given the following standard reduction potentials
Al3++3e-?Al; E?=?1.66 V
Cu2++2e-?Cu; E?=0.340 V
Explain each and every step in detail. I need proficient help in the above problems.
75.0 mL of a 1.80 M solution is diluted to a volume of 258 mL. A 129-mL portion of that solution is diluted using 187 mL of water.
Limestone is another form of CaCO3. Sandstone is primarily silica or sand SiO2. Because of observations made in today's experiment, explain a test that would permit you to distinguish between limestone and sandstone
The stopcock connecting a 2.25 L bulb containing oxygen gas at a pressure of 4.00 atm, and a 5.25 L bulb containing neon gas at a pressure of 8.00 atm, is opened and the gases are allowed to mix.
Explain why acetone in the cyclohexane would invalidate the experiment?
the simplest cycloalkyne has how many carbons? What is the Isoelectric point for aspartic acid. (Amino Acid PI)
list the names and chemical formulas for two allotropes of oxygen, three allotropes of phosphorus, and four allotropes of carbon
What mass of oxygen (in grams) reacts when 13.2 g of methanol (CH3OH) are combusted in oxygen to produce carbon dioxide and water
Find the total time in minutes for a class that lasted 2.76 hours, 353 minutes and 45,980 seconds. Please show me every step.
State a balanced net ionic equation for the reaction between lead nitrate and sodium sulfate, in solution. Explain how many milliliters of 0.480M NaOH would be vital to titrate a5.00 mL solution of 0.320 M H2SO4
What minimum amount of AX(s) lattice energy might lead to compound formation if you predict that the following hypothetical ionic compound AX is unlikely to form. In this compound, A forms the A+ cation, and X forms the X anion.
Al(OH)3 + 3HCl ---> AlCl3 + 3H2O Determine the moles of acid neutralized if a tablet contains 0.200 mol Al(OH)3
a graduated cylinder contains 129 of water. a 17.0 piece of iron density 7.86 and a 21.0 piece of lead are added.
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