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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How have the greenhouse gasses increased from the year 2000 to 2018

Abeaker with 2.00×102 ml of an acetic acid buffer with a ph of 5.000 is sitting on a benchtop. the total molarity of acid and conjugate base in this buffer is 0.100 m. a student adds 4.70 ml of a 0.360 m hcl solution to the beaker. how much will the ph change? the pka of acetic acid is 4.740.