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aleksley [76]
3 years ago
15

How is the chemical symbol of an element determined

Chemistry
2 answers:
elena55 [62]3 years ago
7 0
There are 4 ways: first letter, first 2 letters, first and third letter, or a derivative of the original element name
viktelen [127]3 years ago
4 0
The chemical symbol of an element is determined by the language used to abbreviate the element. Most chemical symbols use abbreviations of the English name for the element, such as "O" for oxygen, "H" for hydrogen or "Ar" for argon.
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The net force on a vehicle that is accelerating at a rate of 1.15 m/s2
Softa [21]

Answer:

<h2>1565.2 kg</h2>

Explanation:

The mass of the vehicle can be found by using the formula

m =  \frac{f}{a}  \\

f is the force

a is the acceleration

From the question we have

a =  \frac{1800}{1.15}  \\  = 1565.217...

We have the final answer as

<h3>1565.2 kg</h3>

Hope this helps you

7 0
3 years ago
Which species is oxidized in the reaction below? al2o3(s) 3 co(g) → 2 al(s) 3 co2(g)
Elza [17]

Al species is oxidized in the reaction below  al2o3(s) 3 co(g) → 2 al(s) 3 co2(g by oxidation

The reaction brought on by coming into touch with oxygen molecules is known as oxidation. These materials can be non-metals like live tissues or metals. Technically speaking, oxidation is the loss of one electron during the phase of interaction between two or more atoms.

Initially, the word "oxidation" was used to refer to chemical processes in which an element reacts with oxygen. An illustration of this is the oxidation of magnesium in the formation of magnesium oxide when magnesium metal and oxygen react.

The biological oxygen demand (BOD) of wastewater is decreased after oxidation, which also lessens some contaminants' toxicity. Some contaminants undergo this treatment and are transformed into carbon dioxide, water, and biosolids. Disinfection is commonly accomplished using chemical oxidation.

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8 0
2 years ago
What is the volume, in liters, of 5.500 mol of C3H3 gas at STP
ZanzabumX [31]

Answer:

123.2 Liters.

Explanation:

At STP (T = 273K & P = 1atm)<em>, one mol of any gas will occupy 22.4 liters</em>.

With the above information in mind, we can <u>calculate how many liters would 5.500 mol of gas occupy</u>:

5.500 mol * 22.4 L / mol = 123.2 L

So 5.500 moles of C₃H₃ would have a volume of 123.2 liters at STP.

8 0
3 years ago
The formula for dichlorine monoxide
Ugo [173]
Cl2O but the two is a little two after Cl
6 0
3 years ago
Read 2 more answers
Aspirin (C9H8O4) is synthesized by reacting salicylic acid (C7H6O3) with acetic anhydride (C4H6O3) according to the reaction: C7
Lunna [17]

Answer:

7.39\times 10^{3}g of acetic anhydride is needed

Explanation:

According to balanced equation, 1 mol of salicylic acid completely reacts with 1 mol of acetic anhydride

Number of moles = (mass)/(molar mass)

Molar mass of acetic anhydride = 102.09 g/mol

Molar mass of salicylic acid = 138.121 g/mol

So, 1.00\times 10^{4}g of salicylic acid = \frac{1.00\times 10^{4}}{138.121}moles of salicylic acid

Hence, \frac{1.00\times 10^{4}}{138.121}moles of salicylic acid reacts completely with \frac{1.00\times 10^{4}}{138.121}moles of acetic anhydride.

So, mass of acetic anhydride needed = \frac{1.00\times 10^{4}}{138.121}\times 102.09g = 7.39\times 10^{3}g

7 0
3 years ago
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