Which of the following describes the specific copper ion in the compound, CuS?

Cupride ion

Copper (I) ion

Copper (II) ion

Cupride (I) ion

There are three voltaic cells. In each voltaic cell one half-cell contains a 1.0 M Fe (NO3) 2 (aq) solution with an Fe electrode. The contents of the other half-cells are as follows:Cell 1: a 1.0 M CuCl2 (aq) solution with a Cu electrodeCell 2: a 1.

Hydrazine (N2H4), a rocket fuel, reacts with oxygen to form nitrogen gas and water vapor. The reaction is represented with the equation: N2H4 (l) + O2 ( g. → N2 ( g. + 2H2O ( g.

Which of the following methods is most appropriate to use to determine the number of different colored components in a sample of black ink?

Solid calcium carbonate caco3 decomposes into solid calcium oxide and carbon dioxide gas. write a balanced chemical equation for this reaction

Zinc metal reacts with hydrochloric acid solution according to the reaction: zn (s) + 2 hcl (aq)  zncl2 (aq) + h2 (g). suppose 0.103 g of zn (s) is combined with 50.

Which is measured using a calorimeter

5) Solid lithium metal is added to an aqueous solution of magnesium chloride forming lithium chloride solution and solid magnesium a. If you begin the reaction with 15.0 g of lithium and 25.

Which element easily loses one electron to form a positive ion? A. Magnesium (Mg) B. Lithium (Li) C. Nitrogen (N) D. Fluorine (F)

What is an indication a chemical reaction has occurred? A.) Formation of gas B.) Boiling of a substance C.) Melting of a substance D.) Freezing of a substance

A saline solution contains 1.6 % NaCl by mass. How much NaCl is present in 57.2 g of this solution?