Choose the correct statements when comparing 1 mole of carbon monoxide and one mole of helium gas.

A: they weigh the same
b: they have the same amount of particles
C: they occupy the same volume

Place the elements below in order of decreasing ionization energy. aluminum(al) chlorine(cl) magnesium (mg) sulfur(s)

What produces wave a)sound b) heats c)transfer of energy d)vibrations

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.