Balance the following chemical reaction: NaF +
Br₂
NaBr +
F2
O A. 3,1,2,1
OB. 1,2,3,4
OC. 2,1,2,1
O D. 1,2,1,2

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

The table lists pressure and volume values for a particular gas. which is the best estimate for the value of v at p = 7.0 × 103 pascals?

What is the temperature of one mole of helium gas at stp?