Given that tin is higher than copper on the activity series of metals, write the one & only possible balanced chemical equation for a redox single replacement reaction that should take place in a reaction between TWO of the following substances: Sn(s); Cu(s); Sn(NO3)2; CuCl2(aq). Also: A solid forms in the reaction. What do you think or what is the solid?

G.247.

Balance the following equations. When balancing equations for redox reactions in aqueous solution, it is necessary to add water molecules (H₂O) and either H+ (aq) in acidic solution or OH(aq) in basic solution to the equation. (Use the lowest possible coefficients. Be sure to specify states such as (aq) or (s). If a box is not needed, leave it blank. If needed, use H+ for the hydronium ion.) a. b. Submit Answer 2+ Zn(s) + VO²+ (aq) + + + Ni(s) + CIO¯¯ (aq) Ni(OH)2 (s) + Cl(aq) (basic solution) + → Zn²+ (aq) + V³+ (aq) (acid solution) Retry Entire Group + + + 6 more group attempts remaining

Nn.112. Subject:- Chemistry

Ultra-pure Si is required to produce semi-conductors. The first step in this process is combining silicon dioxide with carbon and chlorine. Choose the answer that represents the sum of all the coefficients when this equation is balanced using the smallest whole number coefficients. SiO2 + C + Cl2→ CO + SICI4 O a. 6 b. 7 О с. 16 d. 8 О е.5 ОООО С

Write a balanced net ionic equation for a redox reaction that results in the formation of potassium chloride. (Assume that potassium chloride is not a starting material, and assume the reaction takes place in aqueous solution.) X, Не (aq), 2K(ag)+Cl, (aq) KCI(aq)

Write the chemical equation that describes the dissolution of alum in water and describe how many moles of aluminum and sulfate ions are produced when 1 mole of alum dissolves in sufficient water?

An electrochemical change occurs when a strip of nickel is immersed in an acidified solution that contains dichromate ions. The colour change that occurs as the reaction above proceeds is: Select one: Green to colourless Orange to green Colourless to green Green to orange Which of the following metals could have been used instead of nickel in order to maintain the original colour of the solution described above? Select one: O Gold Magnesium O Copper Cadmium Which of the following entities will react spontaneously with Cd(s) but not with Ni(s)? Select one: Sn²+ (aq) Cr²+ (aq) Coz+(aq) H₂Se(aq)

3. Copper(II) bromide is electrolyzed. a. Write the equations for the anode reaction and the cathode reaction if the CuBr₂ is molten. b. Write the equations for the anode reaction and the cathode reaction if the CuBr2 is in aqueous solution.

Indicate whether each of the following statements is true or false. In each case, briefly explain your response.