Calculate k emp (ecell), andag of the following cell at 25°c. determine whether the reaction is spontaneous. (15 points)ct reactant product reactant product cr(s) cr? 16.0*102 m) cu (0.0500 mcu(s) u oxd red page 3 of 7

Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change

Which statement explains why the bonds between non metals tend to be covalent? the bonds are found to be nondirectional they have large differences in electronegativity they have small differences in electronegativity they have ions that produce an electrostatic pull

Which method would be best to separate a mixture of sand and gravel