1. Balance the equations a. Zn +N, Zn2N2
b. C3H12 + O2 O CO2 + H2O
c. C H 4 + O2 CO2 + H2O
2

Ahypothrticalax type of ceramic material is known to have a density of 2.10 g/cm3 and a unit cell of cubic symmetry with a cell edge length of 0.57 nm. the atomic weights of the a and x elements are 28.5and 30.0 g/mol, respectively. on the basis of this information, which of the following crystal structures is (are) possible for this material: sodium chloride, cesium chloride, or zinc blende

Electrons are extremely important to what area of technology? a) anti-aging research b) household product development c) electronics d) drug discovery

What is the formula for the compound dinitrogen pentoxide? a. n4o5 b. n5o4 c. n4o6 d. n5o2 e. n2o5