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antiseptic1488 [7]
3 years ago
11

How to say the first 20 elements easily​

Chemistry
2 answers:
Bond [772]3 years ago
8 0

Answer:

Hi! - H

He - He

Lies - Li

Because - Be

Boys - B

Can - C

Not - N

Operate - O

Fireplaces - F

New - Ne

Nation - Na

Might - Mg

Also - Al

Sign - Si

Peace - P

Security - S

Clause - Cl

A - Ar

King - K

Can - Ca

Explanation:

DerKrebs [107]3 years ago
3 0
These are the first 20 elements, listed in order:

H - Hydrogen
He - Helium
Li - Lithium
Be - Beryllium
B - Boron
C - Carbon
N - Nitrogen
O - Oxygen
F - Fluorine
Ne - Neon
Na - Sodium
Mg - Magnesium
Al - Aluminum
Si - Silicon
P - Phosphorus
S - Sulfur
Cl - Chlorine
Ar - Argon
K - Potassium
Ca - Calcium

Try saying these over again and practicing for at least an hour a day!
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3 0
3 years ago
A gas has a volume of 25.6 L at a temperature of 278 K. What will be the new temperature, in C, if
BigorU [14]
<h2>Hello!</h2>

The answer is: -97.23° C

<h2>Why?</h2>

Applying the Charles and Gay-Lussac's Law we have that:

\frac{V}{T}=k

Where:

<em>k </em>is the proportionality constant

<em>v</em> is the volume of the gas

<em>t</em> is the temperature of the gas

We also have the following relation:

\frac{V1}{T1}=\frac{V2}{T2}

Since we need to know the new temperature (T2) we can find it using the last equation, so:

\frac{V1}{T1}=\frac{V2}{T2}\\\\T2=\frac{V2*T1}{V1}=\frac{16.2L*278K}{25.6L}=175.92K

We are asked to find the temperature in Celsius degrees, we must convert the result:

Celsius=K-273.15=175.92-273.15=-97.23

Therefore, the temperature is -97.23° C

Have a nice day!

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