## Info

For T > 473 K: use ideal-gas law for v h = 2878 + 1.58 x (T - 473) + 3.59X 10"* ("P-4732) s = 8.16 + 1.58 x ln(T/473) + 7.17 x ICH (T - 473)

For T > 573 K: use ideal gas law for v h = 3052 + 1.75 x (T - 573) + 2.82 x lO^fP - 5731) s = 7.12 + 1.75 x ta(T/573) + 5.63 x l(h» (T - 573)

For T > 473 K: use ideal-gas law for v h = 2878 + 1.58 x (T - 473) + 3.59X 10"* ("P-4732) s = 8.16 + 1.58 x ln(T/473) + 7.17 x ICH (T - 473)

For T > 573 K: use ideal gas law for v h = 3052 + 1.75 x (T - 573) + 2.82 x lO^fP - 5731) s = 7.12 + 1.75 x ta(T/573) + 5.63 x l(h» (T - 573)

T,K

v, m3/kg

h, kj/kg

s, kJ/kg-K

T, K

v, m3/kg

h, kj/kg

s, kJ/kg-K

## Getting Started With Solar

Do we really want the one thing that gives us its resources unconditionally to suffer even more than it is suffering now? Nature, is a part of our being from the earliest human days. We respect Nature and it gives us its bounty, but in the recent past greedy money hungry corporations have made us all so destructive, so wasteful.

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