Definition:CGS/Energy/Calorie (20 Degrees)
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This page is about $20 \cels$ calorie. For other uses, see calorie.
Definition
The $20 \cels$ calorie is a CGS unit of heat energy.
It is defined as equal to the energy required to raise the temperature of $1$ gram of water from $19 \cdotp 5 \cels$ to $20 \cdotp 5 \cels$ at standard atmospheric pressure.
Conversion Factors
\(\ds \) | \(\) | \(\ds 1\) | $20 \cels$ calorie | |||||||||||
\(\ds \) | \(\approx\) | \(\ds 4 \cdotp 182\) | joules | |||||||||||
\(\ds \) | \(\approx\) | \(\ds 0 \cdotp 00396 \, 4\) | British thermal units | |||||||||||
\(\ds \) | \(\approx\) | \(\ds 1 \cdotp 162 \times 10^{-6}\) | kilowatt-hours | |||||||||||
\(\ds \) | \(\approx\) | \(\ds 2 \cdotp 610 \times 10^{19}\) | electron volts |
Symbol
The symbol used to denote the $20 \cels$ calorie is $\mathrm {cal_{20} }$.