# Constants

### From Conservapedia

1 atm = 101.1 kPa

1.000 calorie = 4.184 Joules

1 Calorie = 1000 calories

760 torr = 1 atm

760 mm Hg = 1 atm

Atomic mass unit: 1.00 amu = 1.67 x 10^{ − 27}kg

Avogadro's number: 6.02 x 10^{23} particles/mole

Planck's constant: 6.23 x

R = 0.0821 or 8.314

Standard Temperature and Pressure (STP): temperature = 273 K and pressure = 1.00 atm

Mass | Charge | |
---|---|---|

Proton | 1.67 x 10^{ − }27 kg | +1 |

Neutron | 1.67 x 10^{ − }27 kg | 0 |

Electron | 9.11 x 10^{ − }31 kg | -1 |