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Prepare a 350- to 700-word paper in which you explain the importance of chemistry in your life and in society. Include the following information:
p4s f2g -gt pf3g what mass of f2 is needed to produce 187 g of pf3 if the reaction has a 80.1
an iron bar of mass 869 - g cools from 90 oc to 5 oc gt calculate the heat released in kilojoules by the metal.
A chemical process is designed to produce ethylene from ethane according to the reaction: C2H6 (ethane) ? C2H4 (ethylene) + H2 The fresh feed to the process contains pure ethane at a flowrate of 100 mole/min. The fresh feed is mixed with a recycl..
What is the theoretical yield of bismuth when 393 g of Bi2O3 reacts with excess carbon as shown below? Bi2O3 + C(s) => Bi(s) + CO(g) (not balanced)
How do you interpret the experimental MP for this lab when the theoretical melting point is 82-83 for trans and 81-82 degrees for cis? Does it melt as expected for a mixture of cis and trans isomers?
Calculate the mole fraction of ethanol, C2H5OH, in a solution that contains 230. grams of C2H5OH and 312 grams of benzene, C6H6.
Provided you have sets of initial rate data for enzyme and substrate, explain using words and appropriate equations how to
If 5.0 mL of . 85 M bleach solution is combined with 45.0 ml of .1 mM dye soultion at 30 degrees celcius, what will bre the therorectical concentration of dye in the reaction mixture after 60 seconds
Imagine you want to determine the binding constant for a reaction. You know you will need to generate data to calculate the binding constant.
Calculate the new freezing point for a 0.61 m solution of CCl4 in benzene. 2) Calculate the increase in the boiling point, Î"T, for a 1.94 m solution of sucrose (dissolves as a molecule) in water
whats the total pressure generated by a mixture of gases if the pressure of oxygen is 465 mm hg the pressure of
What is the pH at the point during a titration when 22 mL of 0.200 M HCl has been added to 33 mL of 0.0500 M NH3 solution? HCl is strong acid, Kb = 1.8 × 10-5 for NH3. Answer in units of pH
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