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ankoles [38]
1 year ago
7

One of the compounds used to increase the octane rating of gasoline is toluene (right). Suppose 20.0 mL of toluene (d = 0.867 g/

mL) is consumed when a sample of gasoline burns in air.
(a) How many grams of oxygen are needed for complete combustion of the toluene?
Chemistry
1 answer:
Nadusha1986 [10]1 year ago
5 0

<u>54.12g </u>of oxygen are needed for complete combustion of the toluene.

<h3>What is toluene?</h3>

Toluene is a transparent, colourless liquid that, when heated to room temperature, turns into a vapour. A strong or sweet smell coming from toluene vapour indicates exposure.

Typically, toluene is combined with other solvents, chemicals, and substances like paint pigments. Many sectors and workplaces utilise products that may include toluene, such as paint, metal cleaners, and adhesives. Toluene is also present in fuels such as gasoline. Workers exposed to toluene may work with paints, varnishes, shellac, nail polish, glues & adhesives, rust inhibitors, or printing inks.

Toluene exposure in the workplace can occur by inhalation, skin contact, splashing into the eyes, and ingestion. Workers who are exposed to this kind of thing may become ill right away or experience repercussions later. Exposures to toluene have been investigated in auto repair, construction, nail salons, and printing facilities.

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A liquid with high viscosity _____ flow easily and _____ effective in wetting a surface.
scoundrel [369]

A liquid with high  viscosity does not flow easily and is not effective in wetting a surface.

When a metal is subjected to corrosive elements including salt, moisture, and high temperatures, a reaction called corrosion takes place inside the metal. Some foods contain metallic compounds that can corrode a material. The majority of corrosion is simply surface dis-colouration, which polishing agents may quickly remove.

Increasing viscosity and constant intermolecular water bonding together result in surface tension. Any liquid that was more viscous than water possessed a surface tension that was equal to or lower than that of water. Viscosity with surface tension decrease when temperature rises.

Therefore, a liquid with high viscosity does not flow easily and is not effective in wetting a surface.

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5 0
2 years ago
The combustion of ethane ( C 2 H 6 ) produces carbon dioxide and steam. 2 C 2 H 6 ( g ) + 7 O 2 ( g ) ⟶ 4 CO 2 ( g ) + 6 H 2 O (
dexar [7]

Answer:

10.4 moles of CO2 are produced

Explanation:

take the 5.2 moles of C2H6 and multiply that by the mole ratio of CO2 to C2H6 in the reaction (4/2)

5.2 * (4/2) = 10.4

4 0
3 years ago
Read 2 more answers
A piece of copper is 2x2x4 cm and has a mass of 142, what is the density of copper
ohaa [14]

Answer:

Demisty = mass/volume = 142/ (2×2×4) = 142 / 16 =

8.875g/cm^3

Explanation:

3 0
3 years ago
What is the formula of this<br> inorganic salt hydrate?
barxatty [35]

Salt hydrates are an important class of PCMs. An inorganic salt hydrate (hydrated salt or hydrate) is an ionic compound in which the ions attract a number of water molecules, which are then trapped inside the crystal lattice. A hydrated salt has the generic formula MxNy. nH2O.

7 0
2 years ago
Which of the following will have the highest vapor pressure? (A: 1.0 M NaCl (aq)) (B:1.0 M MgCl2 (aq)) (C:1.0 M C12H22O11 (aq))
hjlf
The answer qill be b
7 0
3 years ago
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