One gallon of gasoline (3785 ml) has a mass of 2640 g. what is the density of gasoline

The climate of the continental united states is generally 1. tropical 2. temperate 3. arctic 4. highland

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?

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.