What is the pressure inside of a vacuum?
a. 100 kPa
b. 760 torr
c. 1 atm
d. 0 atm

It takes 945.kj/mol to break a nitrogen-nitrogen triple bond. calculate the maximum wavelength of light for which a nitrogen-nitrogen triple bond could be broken by absorbing a single photon.

Design techniques and materials that reduce the negative environmental impact of a structure are referred to as

Suppose a lab group reports a ppercent yield of sand of 105. is it really possible to collect more sand than was originally represented? what is the possible explanation for the extra product?