Immediate Family. About Thomas Mifflin, Signer of the US Constitution, 11th President of the Continental Congress. Thomas Mifflin, 10 January 1744 - 20 January 1800, was a merchant, member and 11th President of the Continental Congress, a Revolutionary soldier and Governor of Pennsylvania (1790-1799).
[5.4]. When heat is transferred from the surroundings to the system, q has a positive value. Likewise, when work is done on the system by the surroundings, w has a positive value (Figure 5.6). In other words, both the heat added to the system and the work done on the system increase its internal energy.onversely, both the heat lost by the system to the surroundings and the work done by the system on the surroundings have negative values; that is, they lower the internal energy of the system. The relationship between the signs of q and w and the sign of E is presented in Table 5.1.
A positive ANA test means autoantibodies are present. By itself, a positive ANA test does not indicate the presence of an autoimmune disease or the need for therapy. Some medications cause a positive ANA. Tell your doctor all prescription, over-the-counter, and street drugs you take. ANA testing can produce a positive result without any actual disease process.