Answers: 2
Physics, 22.06.2019 08:30, herchellann302
A40.0 l tank of ammonia has a pressure of 12.7 kpa. calculate the. volume of the ammonia if itβs pressure is changed to 8.4 kpa while its temperature remains constant.
Answers: 3
Physics, 22.06.2019 23:20, pr47723
Acharge q experiences no net force at a particular point in space. which of the following situations described below must always be true? -there are no other charges nearby. -if there are other charges nearby, they must all have the same sign as q. -if there are other charges nearby, they must all have the opposite sign of q. -if there are other charges nearby, the total positive charge must equal the total negative charge. -none of the above
Answers: 2
Physics, 23.06.2019 02:40, smack2045
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 22Β°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%)
Answers: 1
A) a 5.75 ml sample of mercury has a measured mass of 77.05 g. the density is...
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