If both inputs of an S-R flip-flop are low, what happens when the clock goes high?
A) The output resets. B) An invalid state is produced.
C) No change occurs in the output. D) The output toggles.
C
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The secret Gentlemen's Agreement that President Theodore Roosevelt worked out with the Japanese in 1907-1908
A. concluded the Russo-Japanese War. B. helped him to win the Nobel Peace Prize. C. caused Japan to halt the flow of laborers to America in return for the repeal of a racist school decree by the San Francisco School Board. D. put a stop to the racist yellow journalism being practiced in the United States. E. None of these choices are correct.
The door heaters on a reach-in cooler are needed because the door handles are too cold when people touch them
Indicate whether the statement is true or false
Cement dermatitis is caused by _____
a. lime in the cement b. chemicals in the water c. fine sand particles d. abrasion
The compounds A and B form non-ideal solutions in the liquid phase. At 50 ?C, a mixture of A and B has an EXCESS molar enthalpy as given below:
The heat capacities of the liquids are modeled as constant. Both are equal to CP=50 J/mol-K.
In a steady-state, constant pressure process, 1000 mol/min of pure A at 25 ?C is mixed with 500 mol/min of pure B at 35 ?C. The mixture then enters a heat exchanger in which the mixture is heated to 50 ?C.
A. Determine the rate at which heat is added to the heat exchanger.
B. If we are using a reference state in which the molar enthalpy, ?H, of pure A and pure B are both 0 at a temperature of 25 ?C, then what is the partial molal enthalpy, ¯H, of compound A in the mixture that is leaving the heat exchanger?