6. How do you balance

What is the study of how matter and energy interact? a. biology b. physics c. planetary science d. chemistry

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5

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.