Using the mass of the proton 1. 0073 amu and assuming its diameter is 1. 0×10^−15m, calculate the density of a proton in g/cm3.

Non renewable resources like petroleum eventually

Acontrol during an experiment. might change remains constant does not exist does change

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.