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- W3199231990 abstract "Snowfall and ice accumulation have been associated with an increased number ofroadside accidents. In turn, it is important to find substances that can increase ice melting tocombat the dangers of driving in icy conditions. To melt ice, rock salt is most commonly applied,however, it also introduces negative impacts on the environment – including toxicity to fish,plants, and groundwater contamination when excessive amounts dissolve in local water reserves.This study compared four substances: rock salt, sand, coffee grinds and calcium chloride againsta negative control to test for the effectiveness of other treatments at melting ice to see whetherrock salt is the most effective melting agent. Each ice cube was first measured using a weighingscale, and an initial weight was recorded in grams (g). Succeeding this, the ice cube was placedon a ceramic plate containing the treatment melting agent and allowed to melt for two minutes.The final weight of the ice cube was then recorded on the scale. The difference in the final andinitial weight of the ice cube served as a proxy for the amount of ice melted; the values of whichwere then collected and compared across the five groups (including four treatments and onecontrol) over the span of four trials. It was hypothesized that if rock salt is more effective thanthe other melting agents at melting ice, then the difference in grams of ice melted for ice cubestreated with rock salt should be higher than ice cubes exposed to other treatments. Resultsindicated that this response was not the case. Instead, calcium chloride was the most effective atmelting ice, with rock salt following second, and finally sand and coffee grinds tying for the lastposition. Relative to the control, however, all groups led to increased melting. A one-wayANOVA test indicated that the difference in means among these groups was significant.Although less effective than commercial agents (rock salt and calcium chloride), commonhousehold items such as sand or coffee grinds may still be a sufficient tool to prevent iceaccumulation in one’s household and may provide a safer, environmentally friendly alternativeto sodium chloride and calcium chloride salts." @default.
- W3199231990 created "2021-09-27" @default.
- W3199231990 creator A5021366466 @default.
- W3199231990 date "2020-01-01" @default.
- W3199231990 modified "2023-09-23" @default.
- W3199231990 title "Melting Ice: How do Common Household Items – such as Coffee grinds and Sand Compare to Rock Salt and Calcium Chloride as Melting Agents?" @default.
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