Which belongs in the blank space of the chemical equation for the burning of fossil fuels below? fossil fuel + carbon dioxide + water + heat a. oxygen gas b. chlorine c. carbon d. dioxin

What happens to the light rays when they hit the specimen?

Use 4 to 5 complete sentences, explain the concepts of beats and how beats are produces.

An air standard cycle with variable specific heats is executed in a closed system and is composed of the following four processes. 1-2 isentropic compression 100 kpa and 22°c to 600 kpa 2-3 v=constant heat addition to 1500 k 3-4 isentropic expansion to 100 kpa 4-1 p=constant heat rejection to initial state (a) show the cycle on p-v and t-s s (b) calculate the net work output per unit mass (409 kj/kg) (c) determine the thermal efficiency (47.9%)