Write a statement that
compares the density
of the gas in the
balloon with the air
that surrounds the
balloon

The enthalpy of formation of water is -285.8 kj/mol. what can be inferred from this statement?

The graph above shows how the price of cell phones varies with the demand quantity. the equilibrium price for cell phones is where both supply and demand quantities equal $100, 5,000 5,000, $100

Calculate the expected ph values of the buffer systems from the experiments (a, b,c, d), using the henderson- hasselbalch equation, ph-pka+log[a-]/[ha]. use for pka values carbonic acid= 6.37, and acetic acid= 4.75.