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- A student performed the experiment described in this module, using 7.00 mL of a 1.8% H2O2 solution with a density of 1.01 g mL-1. The water temperature was 20 ° C, and the barometric pressure in the laboratory was 30.02 in. Hg. After the student immersed the yeast in the peroxide solution, she collected 45.1 mL of O2. (11) Calculate the percent error for the experiment.The value for Kw in vinegar (5M acetic acid) is __________. A 1.0 X 10-7 B 2.5 X 10-3 C 5.0 X 10-14 D 1.0 X 10-14 E 5.0 X 10-7Chemistry A stoppered flask in your laboratory drawer is stamped by the manufacturer with the notation “TC 25 250 mL”. Explain what this notation means.
- What is the simplest CGS unit for "poise"?Calculate the specific volume, α (cm3/gm), using the following equation and the values of constants and conversion factors provided. α = (RT)/p Where R = 2.8704 x 106 erg/gm(˚K), T = 10˚C, and p = 1000 millimars (mb). All of the conversion factors you will need are: 1 mb = 103 dynes/cm2 ˚K = 273˚ + ˚C erg = dyne(cm) a. α = 8.123 x 109 cm3/gm b. α = 8.123 x 102 cm3/gm c. α = 2.8704 x 104 cm3/gm d. α = 2.8704 x 106 cm3/gmV 1
