Previous Page...   Printer Version Science Constants - Planck Constant, Molar Symbol: NA h NA hc Value: 3.990312689(30) × 10-10 J s mol-1 0.11962656492(91) J m mol-1 Category: - Physico-Chemical Constants Description:   [ H O M E ] [ S C I E N C E ] [ M A T H S ] [ A S T R O N O M Y ] [ Download ] [ Shop ] [ Contact ] [ About ]