2.22 The graph shows the heat capacity at constant pressure of a common gas.

(a) Identify the modes of energy storage represented by the numbered zones.

(b) State reasons for rejecting or accepting each of the following gases as the one in the graph: Ar; 02; H20; C02.

T, K

2.23 The following data for liquid water are taken from table A.4.

Specific Volume, m3/kg x 103

T, °C v (at 20 M Pa) v (at 30 M Pa) v <at 40 M Pa)

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Solar Panel Basics

Solar Panel Basics

Global warming is a huge problem which will significantly affect every country in the world. Many people all over the world are trying to do whatever they can to help combat the effects of global warming. One of the ways that people can fight global warming is to reduce their dependence on non-renewable energy sources like oil and petroleum based products.

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