Calculating equilibrium constant for the reactions

Assignment Help Chemistry

Reference no: EM13112085

1- What mass of Cu(s) is electroplated by running 28.5A of current through a Cu 2+ (aq) solution for 4.00 h ?Express your answer to three significant figures and include the appropriate units.

2-How many minutes will it take to electroplate 60.1g of gold by running 5.00 A of current through a solution of Au + (aq) ?Express your answer to three significant figures and include the appropriate units.

3-A Cu/Cu 2+ concentration cell has a voltage of 0.22V at 25 ° C . The concentration of Cu 2+ in one of the half-cells is 1.4×10-3M .What is the concentration of Cu 2+ in the other half-cell? Express your answer using two significant figures.

4- Calculate the equilibrium constant for each of the reactions at 25 ° C .O 2 (g)+2H 2 O(l)+2Cu(s)→4OH - (aq)+2Cu 2+ (aq) Express your answer using one significant figure.

5-Use tabulated electrode potentials to calculate ΔG ° rxn for each reaction at 25 ° C .2Fe 3+ (aq)+3Sn(s)→2Fe(s)+3Sn 2+ (aq) Express your answer using two significant figures.

Reference no: EM13112085

Questions Cloud

Determine standardized test statistic z-corresponding area : Determine standardized test statistic z and its corresponding area. If convenient use technology. z=( ) round to two decimals. Area= ( ).

How can you explain this observation : Hospital patients often become infected with resistant bacteria that are rarely found outside of the hospital environment. How can you explain this observation?

Fundamental difference in voltaic and electrolytic cell : What is the fundamental difference between a voltaic cell and an electrolytic cell. Can a voltaic cell in which both half-reactions are the same generate a current.

Defect levels at two plant : The Allbest software company owns two computer-manufacturing plants. Each plant produces the Ultimate computer model. Plant measurement has determined that 28 out of 452 tested computers at Plant A were defective and that 21 out of 505 tested at p..

Calculating equilibrium constant for the reactions : Calculate the equilibrium constant for each of the reactions at 25 ° C .O 2 (g)+2H 2 O(l)+2Cu(s)→4OH - (aq)+2Cu 2+ (aq) Express your answer using one significant figure.

Draw punnett squares for both the self- and test-cross : A red kerneled wheat plant is crosssed with a white-kerneled plant, yielding an F1 plant with all red kernels. A self-cross yields a 15:1 red:white ratio. A testcross yields a 3:1 red:white ratio. Explain the results. Draw Punnett squares for both..

Compute mean and the standard deviation for sample : IQ scores but have been standardized so that complete sample has mean of M = 10 and standard deviation of s = 2. Compute mean and the standard deviation for the sample of n = 8 females and for sample of n = 8 males.

Hypothesis testing - dozenol : The nighttime cold medicine Dozenol bears the label indicating the presence of 600 mg of acetaminophen in each fluid ounce of drug.

Which will react with the enzyme to form a toxic product : If an enzyme with no inhibitor has a Vmax of .091 abs/min and a Km of .31 mM. An inhibitor is added (1 uM) which changes the Vmax to .036 abs/min and a Km of .13 mM, so it has a Ki of -1.72 and a Ki' of .65 uM.

User Account

All Pages