How many moles of atoms are in 4.63 x 10^21 Ca atoms? The formula for Lead(IV) oxide is PbO_2. What is PbO_4 then? Explain at least three cases in industry where Redox reactions occur or are used. Identify the substance being analysed and the reagent(s) used to detect redox change...
Crystals are classified into how many different crystal systems? What is the magnitude of the lattice energy for CsCl? How are atoms arranged in molecular compounds? How is sodium formed? How are non-metal compounds formed? How are chemical elements formed?
Explain why CaCl_2 is likely to have properties similar to those of CaBr_2. What are the characteristics that make elements different from compounds? Give two examples of each that exist in the human body and explain their function. How do we know that matter is composed ...
How many grams of KBr are required to make 650.mL of a 0.115 M KBr solution? Calculate the molar mass of the ionic compound silver fluoride. How many grams of CuSO4 are in 1.6 L of a 0.125 M CuSO4 solution? A 4.60 gram sample of BrF_3 contains how many f...
a. bromine in carbon tetrachloride b. concentrated sulphuric acid at 20 C Alkenes: Alkenes are hydrocarbon chains that contain double bonds between carbon atoms. Alkanes are hydrocarbon chains with no double bonds. Since alkene carbon atoms ...