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Class 10 Notes 2017 : Chemistry

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Chemistry Reference Tables Name Value Standard temperature 6.022 1023 particles/mole 0.0821 L atm mole K L mmHg 62.4 mole K 8.314 L kPa mole K 1.00 atm = 101.3 kPa = 760. mmHg = 760. torr 0 C or 273K Volume of 1 mole of any gas at STP 22.4 L Avogadro s number Gas constant (R) Standard pressure Thermodynamic Constants Symbol Value Heat of fusion of water H f (water) 334 J/g Heat of vaporization of water Hv (water) 2,260 J/g J for ice, 2.02 J for steam, g C g C J 4.18 for liquid g C 2.05 C p (water) Specific heat of water Metal Specific Heat J g C Density (g/cm3) Melting Point ( C) Aluminum 0.897 2.702 660 Copper 0.385 8.92 1083 Gold 0.129 19.31 1064 Iron 0.449 7.86 1535 Lead 0.129 Magnesium 1.023 Mercury 0.140 Nickel 0.444 8.90 1455 Titanium 0.523 4.5 1660 Zinc 0.388 7.14 420 NCDPI Reference Tables for Chemistry (October 2006 form A-v1) 11.3437 1.74 13.5939 328 649 39 Page 1

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