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1. one of the standard solutions had an abnormally low absorbace reading, causing a less positive slop for the data plot.
a. Will the equilibrium concrentration of feNCS2+ in the test tube be too high or too low?
b. Will the calculated Kc for the equilibrium be too high, too low or unaffected?
The annual production of sulfur dioxide from burning coal and fossil fuels, auto exhaust and other resources is about 26 million tons. the equation for the reaction is S + O2= SO2.
Seperate this redox reaction into its component half reactions( use the symbol e- for an electron)
Identifying and balancing the different types of chemical reactions. Evaluate which processes represent chemical reactions.
Draw a flow diagram simply showing how to separate a neutral organic compound from an organic acid and purify both.
What mass of NaCl is needed to react with 35.0 mL of the same AgNO3 solution?
The half-life of cobalt-60 is 5.27 years. How many milligrams of cobalt-60 remain after 52.7 years if you start with 10.0 mg.
How many mmoles of mercury are in the sample? B) How many mg's of mercury are in the sample? C)What is the percent mercury (w/w) in the ointment?
A total of 2.00 mol of a compound is allowed to react with water in a foam coffee cup and the reaction produces 180g of solution. The reaction caused the temperature of the solution to rise from 21.0 to 24.7degrees Celsius
Using a table of standard reductions, determine what the potential of each reduction below would be versus the S.C.E. a. Ag+ (aq) + e - ? A(s) b. Ni2+(aq) + 2e- ? Ni (s)
It takes 48.0 to raise the temperature of an 9.10 piece of unknown metal from 13.0 to 25.0. What is the specific heat for the metal?
Write the reaction and predict the major organic products(s) for each of the following reactions. Make sure to consider stereochemistry & regiochemistry, if applicable.
n Europe, gasoline efficiency is measured in km/L. If your car's gas mileage is 40.0 mi/gal, how many liters of gasoline would you need to buy to complete a 142-km trip in Europe.
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