Chemistry, 22.12.2020 23:40 ghkfkhgm859
Describe two uses of surfactants. At least one
must be something that was not described in the
passage. For each example, explain how the
effects of the surfactant make it useful.
Answers: 2
Chemistry, 21.06.2019 22:30
Which type of bond is present in hydrogen sulfide (h2s)? the table of electronegativities is given. a. hydrogen b. ionic c. nonpolar covalent d. polar covalent
Answers: 1
Chemistry, 22.06.2019 12:20
Which is an example of the practical pursuit of alchemy? a. forming perfect substances. b. transforming base metals. c. developing metalworking techniques. d. linking spiritual characteristics with material substances.
Answers: 1
Chemistry, 23.06.2019 11:20
The chemical composition of soil varies with depth. an article in communications in soil science and plant analysis describes chemical analyses of soil taken from a farm in western australia. fifty specimens were each taken at depths 50 and 250 cm. at a depth of 50 cm, the average no3 concentration (in mg/l) was 88.5 with a standard deviation of 49.4. at a depth of 250 cm, the average concentration was 110.6 with a standard deviation of 51.5. find a 95% confidence interval for the difference in no3 concentrations at the two depths.
Answers: 1
Describe two uses of surfactants. At least one
must be something that was not described in the
English, 09.11.2020 21:10
English, 09.11.2020 21:10
Mathematics, 09.11.2020 21:10
Mathematics, 09.11.2020 21:10
Spanish, 09.11.2020 21:10
History, 09.11.2020 21:10
Health, 09.11.2020 21:10
English, 09.11.2020 21:10
Mathematics, 09.11.2020 21:10