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Post-Lab Questions
1. How do each of these molar masses compare to the theoretical? Calculate the percent error.
2. Describe any deviations from the experimental procedures which may have contributed to the molar masses being different than the theoretical.
3. Which solution of salt (NaCl or CaCl2) is better to salt the roads? Use the data in this experiment to explain your reasoning.
An equilibrium mixture of CO, O2 and CO2 at a certain temperature contains 0.0010 M CO2 and 0.0100 M O2. At this temperature, Kc equals 1.4 × 102 for the reaction: 2 CO(g) + O2(g) ? 2 CO2(g). What is the equilibrium concentration of CO
Calculate the ionic strength of a solution containing 0.010 M calcium sulfate and 0.010 M sodium chloride. Show all work.
Problem- Using the standard reduction potentials listed in Appendix E in the textbook, calculate the equilibrium constant for each of the following reactions at 298 K.
What mass of helium gas is needed to pressurize a 112.0 L tank to 262 atm at 25°C?
given are the standard reduction potentials for the twohalf-reactionscr3aq 3e-nbspregcrs nbspnbspnbspedeg -0.74 vu4aq
You dissolve 261 mmol of sodium bicarbonate into a total volume of 1.2 L. What is the molarity of sodium bicarbonate in this solution?
degrees Celsius) is placed in 20.6 g of water at 25.00 degrees Celsius. What is tins specific heat if the equilibrium temperature is 47.75 degrees Celsius?
a weather balloon with a 2-meter diameter at ambient temperature holds 525 grams of helium. what type of electronic
What is the balanced equation of sodium borohydride and 4-tert-butylcyclohexanone? The reduction reaction has the product 4-tert-butylcyclohexanol which is a mixture of cis and trans isomers.
Which of the following enzymes is used in both glycolysis and gluconeogenesis? A. hexokinase B. pyruvate carboxylase C. malate dehydrogenase D. triose phosphate isomerase E. isocitrate dehydrogenase
You measure water in two containers a 10-mL graduated cylinder with marks at every mL, and a 1mL pipet mareked at every 0.1mL. If you have few water in each of the containers and add them together, to what decimal place could you measure the total
the formation of nylon-6,10 from sebacoyl chloride, 1,6-hexanediamine and sodium hydroxide.
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