Give the structure of the organic product expected when ch2i2 reacts with each of the alkenes in the presence of a zn–cu couple:.

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

What’s the scientific notation for the number 6,840,000,000

Explain that newton first law,second law and third law of motion?