When limestone (which is principally CaCO3) is heated, carbon dioxide and quick- lime (Cao) are produced by the reaction CaCO3(s) Cao(s) + CO2(g). If 17.6 g of CO2 was produced from the ther- mal decomposition of 40.92 g of CaCO3, what is the percentage yield of the reaction? Answer in units of %.​

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

Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.

When you mate two plants together the terms is called? answer it fast as possible plz! i have a test tomorrow!