Show Menu
Cheatography
  1. Home >
  2. Education >

Basics of Chemistry Cheat Sheet by

Chemistry is the science and study of matter, including its properties, composition as well as reactivity. Chemistry relates to everything that can be sensed from minute elements to complex structures. The atom and molecules are the basic unit or components of Chemistry. The study of chemists is always interested in identifying and knowing how chemical transformation occurs. It plays an essential role in science and plays a central role in daily life activities.

Mole

In the field of chemistry, a mole is defined as the amount of a substance that contains exactly 6.02214076 * 1023 ‘eleme­ntary entities’ of the given substance.

Number of Moles

STP vs NTP

Properties
STP
NTP
Temper­ature (in Kelvin)
273.16 K ≈ 273 K
293.16K ≈ 293 K
Temper­ature (in Celsius)
0oC
20oC
Pressure
1 bar= 0.9862 atm≈ 1 atm
1 atm
Pressure (in Nm2)
105 Nm2
1.01*105 Nm2
K= Kelvin­↔(t­emp­era­ture)
oC= Degree Celsiu­s↔(­tem­per­ature)
atm= atmosp­her­e↔(­pre­ssure)
Nm2= Newton­*(m­eter)2↔(pres­sure)
  

Percentage Compos­ition of an Element

n= Number of atoms of the element in one molecule of the compound

Temper­ature Conver­sions

oF= Degree Fahrenheit
oC= Degree Celsius
K= Degree Kelvin
  

Laws of Chemistry

LAWS
SCIENTISTS
DATE
1. Law of Conser­vation of Mass
Antoine Lavoisier
1744
2. Law of Definite Compos­iti­on/­Pro­por­tions
Joseph Proust
1799
3. Law of Multiple Propor­tions
John Dalton
1804
4. Law of Gaseous volume
Gay Lussac
1808

Conver­sions

Volume
1 Litre= 10³ mL= 10³ cm³= 10⁻³ m³= 1 dm³

Pressure
1 atm= 76 cm of Hg= 760 mm of Hg= 760 torr
1 atm= 1.01*10⁵ Nm²
1 atm= 1.01*10⁵ Pa
1 bar= 0.9862 atm≈ 1 atm
mL= milli-­litre
cm= centimeter
m= meter
dm= decimeter
atm= atmosphere
N= Newton
Pa= Pascals
       
 

Metadata

  • Languages:
  • Published: 18th August, 2022

Comments

No comments yet. Add yours below!

Add a Comment

Your Comment

Please enter your name.

    Please enter your email address

      Please enter your Comment.

          Related Cheat Sheets

          The Basics of Accounting Cheat Sheet

          More Cheat Sheets by mvdassir_

          Gaseous State Cheat Sheet
          Basic of Mathematics used in Physics Cheat Sheet
          Units, Dimension & Measurements Cheat Sheet