Astudent develops the list shown below that includes laboratory equipment and materials for constructing a voltaic cell.
laboratory equipment and materials
• a strip of zinc
• a strip of copper
• a 250-ml beaker containing 150 ml of 0.1 m zinc nitrate
• a 250-ml beaker containing 150 ml of 0.1 m copper(ii) nitrate
• wires
• a voltmeter
• a switch
• a salt bridge
complete and balance the half-reaction equation in your answer booklet for the oxidation of the zn(s) that occurs in the voltaic cell. [1]
Answers: 1
Chemistry, 21.06.2019 23:00, orlando19882000
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
Answers: 1
Chemistry, 22.06.2019 11:20, ashiteru123
Which of the following contributes to the structural rigidity of cellulose? adjacent glucose polymers are stabilized by hydrogen bonding. glucose residues are joined by (α1→4) linkages. cellulose is a highly branched molecule. the conformation of the glucose polymer is a coiled structure.
Answers: 2
Astudent develops the list shown below that includes laboratory equipment and materials for construc...
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