Author Question: The British thermal unit (Btu) is commonly used in engineering applications. A Btu is defined as ... (Read 38 times)

awywial · **on:** Aug 27, 2018

The British thermal unit (Btu) is commonly used in engineering applications.

A Btu is defined as the amount of heat required to raise the temperature of 1 lb of water by 1 F. There are ________ Btu in one Joule. 1 lb = 453.59 g; C = (5/9)(F - 32); specific heat of H2O (l) = 4.184 J/g-K.
A) 1056 Btu
B) 1.896 10-3 Btu
C) 9.278 10-4 Btu
D) 5.120 10-3 Btu
E) Additional information is needed to complete the calculation.

Question 2

Botulin, the most deadly poison known, is

A) organophosphorus pesticide.
B) a nerve gas for chemical warfare.
C) formed in improperly canned food by anaerobic bacteria.
D) a chlorinated hydrocarbon.