Which one of the following substances will float in gasoline, which has a density of 0.66 g/mL?

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BlackTom AI · Accepted Answer

First, let's restate what's being asked: which substance will float in gasoline, given gasoline's density is 0.66 g/mL?
Option 1: table salt (density = 2.16 g/mL). Salt is well above the gasoline density, so it would be denser than the liquid and would sink rather than float. This makes it unsuitable for floating in gasoline.
Option 2: sugar (density = 1.59 g/mL). Sugar also has a density greater than gasoline, so it would sink in gasoline rather than float.
Option 3: aluminum (density = 2.70 g/mL). Aluminum is a metal with a much higher density than gasoline, and in a lighter-than-liquid sense, it would sink. Metals with densities well above 0.66 g/mL do not float in gasoline.
Option 4: mercury (density = 13.6 g/mL). Mercury is extremely dense compared to gasoline, so it would certainly sink rather than float.
Option 5: balsa wood (density = 0.16 g/mL). This substance has a density significantly lower than gasoline, so it is buoyant in gasoline and will float.
In this comparison, buoyancy is determined by whether the object's density is less than the liquid's density. Only substances with a density less than 0.66 g/mL will float in gasoline. The other options all exceed 0.66 g/mL, so they would not float. The balsa wood, with a density of 0.16 g/mL, meets the floating criterion and thus would rise to the surface when placed in gasoline.

SP25: CHEM-30A Sec 01 - Intro Chem Final Exam

Which one of the following substances will float in gasoline, which has a density of 0.66 g/mL?

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SP25: CHEM-30A Sec 01 - Intro Chem Final Exam

Which one of the following substances will float in gasoline, which has a density of 0.66 g/mL?

查看解析

登录即可查看完整答案

类似问题

​Because freshwater is denser than seawater, seawater floats on top of freshwater.

Question at position 3 The key property that determines whether fluid (air or water) sinks or rises is _________.densitycolorsound

The mass of a metal ball bearing is 0.3062 g and the volume is 0.0270 cm3. What is the density?

The density of gold is 19.32 g/cm3. What is the mass of a bar of gold measuring 4.50 cm by 2.50 cm by 6.50 cm?

In 2017, approximately 7.7 x 108 kg polyethylene terephthalate (PET) bottles were collected through recycling programs and sold, either to domestic or foreign markets. If the density of PET is 1350 kg/m3, the volume of PET that was recycled in 2017 was _________ m3.

2. A plastic container has a mass of 62 g and a volume of 44.3 cm3. a. What is the density of the plastic container in g/cm3?

更多留学生实用工具

希望你的学习变得更简单

Because freshwater is denser than seawater, seawater floats on top of freshwater.