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Gemiola [76]
3 years ago
8

When there are equal forces from opposite directions acting on an object, the forces are said to be which of the following?

Chemistry
1 answer:
Liula [17]3 years ago
6 0
When there are equal forces from opposite directions acting on an object, the forces are said to be which of the following?                                                          <span>C. balanced</span>
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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/
Nadusha1986 [10]

<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.

Learn more about toluene?

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5 0
1 year ago
How many moles of atoms are there in 27g of aluminium
Marrrta [24]
We know that the molar mass of Al is 27 g/mol.

27 g Al* (1 mol Al/ 27 g Al)= 1 mol Al.

The final answer is 1 mol Al~
4 0
3 years ago
Larissa pumps up a soccer ball
Alex73 [517]

Whats the question ? all you said was she pumps up a soccer ball

3 0
4 years ago
Problem PageQuestion A chemistry student needs 10.0g of dimethyl sulfoxide for an experiment. By consulting the CRC Handbook of
PIT_PIT [208]

Answer:

9.09cm3

Explanation:

The following data were obtained from the question:

Mass of dimethyl sulfoxide = 10g

Density of dimethyl sulfoxide = 1.10gcm−3

Volume of dimethyl sulfoxide =?

The density of a substance is simply the mass substance per unit volume of the substance. It is represented mathematically as:

Density = Mass/volume.

With the above formula, we can obtain the volume of dimethyl sulfoxide as follow:

Density = Mass/volume

1.10gcm−3 = 10g/ volume

Cross multiply to express in linear form

1.10gcm−3 x Volume = 10g

Divide both side by 1.10gcm−3

Volume = 10g / 1.10gcm−3

Volume = 9.09cm3

Therefore, the volume of dimethyl sulfoxide the student should pour out is 9.09cm3

7 0
3 years ago
What is the pH of a 1.9 M solution of HClO4?
Sliva [168]
The compound HClO4, when placed in water, will dissociate into the ions, H+ and ClO4-. Therefore, the 2.0 M solution will also form 2.0 M H+. The pH is calculated through the equation,
pH = -log[H+]
Substituting,
pH = -log[2] = -0.3
Thus, the pH of the solution is -0.3.
5 0
3 years ago
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