Chemistry:
- Q A voltaic cell is constructed that is based on the followingreaction:Sn2+(aq)+Pb(s)→Sn(s)+Pb2+(aq).Part A If the concentration ofSn2+ in the cathode compartment is 1.50 M and the cell generatesan emf of 0.18...
- Q calculate the energy of red light with a wavelength of 703.2nm
- Q Complete and Balance:a. Fe3+ + NH3OH+ =Fe2+ + N2b. Fe3+ + NH3OH+ =Fe2+ + N2Oc. Fe3+ + NH3OH+ = Fe2+ +NOd. Fe3+ + NH3OH+ =Fe2+ + NO2e. Fe3+ + NH3OH+...
- Q According to the hard and soft acid and bases indicate witharrow the direction of the favored reaction ,balance the equationand indicate which is a harder or softer acid and harder...
- Q Complete the following table of data forCe2(SO4)3 · 9 H2O.(Assume the density of water is 1.00 g/mL.)T (°C)Solubility(g/100. g)Concentration(M)Ksp?G(kJ/mol)27.09.27____________34.07.82____________41.06.54____________48.05.45____________55.04.54____________62.03.81____________69.03.26____________Use a graph of ?G vs. T to determine the following. (Enter...
- Q How much energy (in kilojoules) is released when 30.5g ofethanol vapor at 97.5?C is cooled to -16.5?C? Ethanol has mp =-114.5 ?C, bp = 78.4 ?C, ?Hvap = 38.56 kJ/mol...
- Q 6. What is an addition reaction?a. What type of starting materials are used for addition reactions?(functional group)b. What type of reagents are used for addition reactions?
- Q 1) Glucose has molecular formulaC6H12O6.a) Draw the three distinct forms of glucose that exist inequilibrium in solution.b) What is the term used to describe the inter-conversion of thethree forms of...
- Q EDTA is a hexaprotic system with the following pKa values: pKa1= 0.00 pKa4 = 2.69 pKa2 = 1.50 pKa5 = 6.13 pKa3 = 2.00 pKa6 = 10.37The distribution of protonated...
- Q 250 gallons of water (at 25 degrees Celsius and 1 atmosphericpressure) are boiled to power a steam engine. The heat source toboil the water is the combustion of methanol according...
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