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English, 13.10.2019 01:20, JKINGblackstar3502

How should sanitizer chemicals be used?

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Social Studies, 11.07.2019 04:00, Annlee23
Sanitizer must be mixed properly to work correctly. what is the correct way to use a sanitizer?
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Physics, 16.07.2019 22:00, blackboy21
In a recent experiment, anti-bacterial hand sanitizer was compared to hand soap. students washed their hands using the sanitizer or soap and warm water for two minutes; then they dried their hands with a paper towel. the standard of comparison was rubbing hands vigorously for 2 minutes in warm water, without any soap or sanitizer, and then drying with a paper towel. the sanitizer advertisement claimed to kill bacteria more effectively than any soap. after washing, hands were swabbed and then the swab applied to a culture plate and incubated. finally, the bacterial cultures were counted and recorded in the data table. what would be a valid conclusion to draw from this data? a) all methods are effective in killing bacteria. b) both soap brands out perform hand sanitizer in killing bacteria. c) warm water is as effective as soap or sanitizer in killing bacteria. d) hand sanitizer is more effective than either soap in killing bacteria.
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Health, 18.07.2019 03:30, isabellesmith51317
Adrien needs to use an effective sanitizer to finish cleaning a piece of equipment; he should use a.sanitizer at a temp of 60f b.sanitizer that has more chemical and less water to ensure bacteria is killed. c.sanitizer that has rested for several hours d.sanitizer that is diluted with water to protect his hands he should equipment when lime buildup occurs. a.acid cleaners b.abrasive cleaners c.sanitizer d.solvent cleaners
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Mathematics, 26.11.2019 04:31, jmayy8223
Suppose that a scientist seeks to compare the ability of a new hand sanitizer to eliminate pseudomonas aeruginosa bacteria against the hand sanitizer currently in use. assume that the mean number of bacteria remaining on a hand after using sanitizer is approximately normally distributed; however, the population standard deviation is unknown. the scientist selects a simple random sample of 61 students. each subject uses the new hand sanitizer on one randomly‑chosen hand and the sanitizer currently in use on the other. the number of pseudomonas aeruginosa bacteria remaining on each hand after using the sanitizers is determined, and the difference in the number of bacteria on the hand treated with the new sanitizer and the number of bacteria on the hand treated with the current sanitizer is determined.
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