Look at the circuit diagram. which of these components is part of the circuit?
o a.
voltmeter
b. switch
oc. ac power source
d. capacitor
reset
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Flourine is found to undergo 10% radioactivity decay in 366 minutes determine its halflife

How many moles of potassium hydroxide are needed to completely react with 2.94 moles of aluminum sulfate

)benzene and toluene form nearly ideal solutions. consider an equimolar solution of benzene and toluene. at 20 °c the vapour pressures of pure benzene and toluene are 9.9 kpa and 2.9 kpa, respectively. the solution is boiled by reducing the external pressure below the vapour pressure. calculate (i) the pressure when boiling begins, (ii) the composition of each component in the vapour, and (iii) the vapour pressure when only a few drops of liquid remain. assume that the rate of vaporization is low enough for the temperature to remain constant at 20 °c.