Biology
Research and discuss an event in Charles Darwins' life that lead to his theory of evolution. Events could be directly in Charles Darwin's life or could be individuals whose ideas Darwin incorporated into his work. Besides the voyage to Beagle and the visit to the Galap...
Chemistry
In an experiment with a titration of Vitamin C with Iodine, why must the iodine dropper be standardized?
Chemistry
A student completed the standardization procedure & found that the value for her dropper was 0.133 mg Vitamin C/dp l2. The student then selected a juice & titrated it with the iodine from the dropper bottle. The sample turned blue with the addition of the 19th drop. How many m...
Chemistry
During the standardization procedure of the iodine dropper, a student used 10.0 mL of a 1.00 mg.mL standard of Vitamin C. After adding 41 drops of iodine to the 10.0 mL of the standard, the sample was a deep blue. Calculate how many mg of Vitamin C are titrated by each drop of...
Physics
Somehow, I got the right magnitude, but my x and y are different. my x=-21.35 and y=13.9 how?
Physics
A charge of -3.66C is fixed at the center of a compass. Two additional charges are fixed on the circle of the compass (radius = 0.0978 m). The charges on the circle are -4.04C at the position due north and +6.20C at the position due east. What is (a) the magnitude and (b) dire...
word puzzle
italian
geography
thank you Ms. Sue, i appreciate it :)
geography
landlocked and high elevation?
geography
landlocked and high elevation?
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