A sample of gas has a volume of 2.0 liters at a pressure of 10 atmosphere. When the volume increases to 4.0 liters, at
constant temperature, the pressure will be
A 1.0 atm
B 2.0 atm
C. 0.50 atm
D. 0.25 atm

Draw the aromatic compound toluene (methylbenzene). show all hydrogen atoms, including those on the ring.

Predict the relative bond lengths of the three carbon-oxygen bonds in the carbonate ion (co2−3). what would you expect the charge to be on each oxygen? match the words in the left column to the appropriate blanks in the sentences on the right. make certain each sentence is complete before submitting your answer.

How to calculate the mass of copper