A typical dollar bill is 15.50 cm by 6.50 cm. Calculate the surface area in square meters, square centimeters and square nanometers

Acrystal that absorvd water from air is (blank)a. aqueousb. homogenousc. hygroscopicd. efflorescent

A1.5l container holds p.50 grams of an unknown gas at a pressure of 0.44 atm and a temperature of 50.c what is the molar mass of the unknown gas

An alpha particle is: a hydrogen atom a nucleus of helium two neutrons an electron