Question 7 (1 point) When zinc is reacted with copper (II) chloride to produce zinc chloride...

Question 7 (1 point)

When zinc is reacted with copper (II) chloride to produce zinc chloride and copper, which element (if any) is oxidized? Which element (if any) is reduced?

Question 7 options:

123	Chlorine
123	Zinc
123	Copper

1.	Oxidized
2.	Reduced
3.	Neither oxidized nor reduced

Question 8 (1 point)

When ethane (C₂H₆) is combusted, which element (if any) is oxidized? Which element (if any) is reduced?

Question 8 options:

123	Hydrogen
123	Oxygen
123	Carbon

1.	Oxidized
2.	Reduced
3.	Neither oxidized nor reduced

Question 9 (1 point)

When calcium chloride reacts with sodium carbonate to produce sodium chloride and calcium carbonate, which element (if any) is oxidized? Which element (if any) is reduced?

Question 9 options:

123	Carbon
123	Sodium
123	Calcium
123	Oxygen
123	Chlorine

1.	Oxidized
2.	Reduced
3.	Neither oxidized nor reduc

Solutions

Expert Solution

queen_honey_blossom answered 6 months ago

Next > < Previous

Related Solutions

Question 1 Why is the mixture formed by heating copper and copper (II) chloride poured into...

Question 1 Why is the mixture formed by heating copper and copper (II) chloride poured into excess water to precipitate copper (I) chloride? Question 2 Why is copper (I) oxide made under alkaline rather than acid conditions? Question 3 What is the difference between copper and zinc? Would copper and zinc be as transition metals? Please help me with these questions.

Zinc and copper (I) oxide react exothermically to produce copper and zinc oxide.

Zinc and copper (I) oxide react exothermically to produce copper and zinc oxide. Use Hess’s law to calculate the enthalpy of this reaction from the heats of formation of copper (I) oxide and zinc oxide?. Find the necessary information on the Internet to solve this problem.

. Consider this reaction: zinc metal reacts with hydrochloric acid to produce hydrogen and zinc chloride....

. Consider this reaction: zinc metal reacts with hydrochloric acid to produce hydrogen and zinc chloride. Zn + 2 HCl → ZnCl2 + H2 (a) If 0.30 mol of Zn is added to hydrochloric acid containing 0.52 mol of HCl, how many moles of H2 are produced? (or what is the theoretical yield of H2 produced in the reaction?) (b) In the above procedure, if the actual yield of the reaction is 0.26 mol of H2. What is the percent...

1. What mass of water is needed to dissolve 43.5 g of copper (II) chloride to...

1. What mass of water is needed to dissolve 43.5 g of copper (II) chloride to prepare a 0.521 molal solution? 2. Calculate the boiling point of a solution made from 224 g of magnesium chloride dissolved in 625 g of water. kb= 0.512 degrees celsius/m

Copper(I) chloride has Ksp = 1.7 × 10-7. Calculate the molar solubility of copper(I) chloride in...

Copper(I) chloride has Ksp = 1.7 × 10-7. Calculate the molar solubility of copper(I) chloride in pure water and in various aqueous solutions. a. Calculate the molar solubility of CuCl in pure water. b. Calculate the molar solubility of CuCl in 0.0200 M HCl solution. c. Calculate the molar solubility of CuCl in 0.200 M HCl solution. d. Calculate the molar solubility of CuCl in 0.300 M CaCl2 solution

When molten zinc chloride (ZnCl2) is electrolyzed, zinc is deposited at the cathode. Calculate the amount...

When molten zinc chloride (ZnCl2) is electrolyzed, zinc is deposited at the cathode. Calculate the amount of zinc produced if a current of 12.2 A is passed through the electrolytic cell for 45.3 min. THEN A metal bromide, MBr2, is converted to a molten form at high temperature. Electrolysis of this sample with a current of 6.23 A for 73.2 seconds results in deposition of 0.266 g of metal M at the cathode. The other product is bromine gas, Br2(g),...

When 15.0 mL of a 7.51×10-4 M copper(II) chloride solution is combined with 25.0 mL of...

When 15.0 mL of a 7.51×10-4 M copper(II) chloride solution is combined with 25.0 mL of a 7.16×10-4 M ammonium sulfide solution does a precipitate form? (yes or no) For these conditions the Reaction Quotient, Q, is equal to .

copper (II) oxide reacts with hydrogen gas to produce copper and water, what volume of H2...

copper (II) oxide reacts with hydrogen gas to produce copper and water, what volume of H2 at 1.01 at and 225C is needed to reduce 0.446 mol of copper (II) oxide ?

A mixture consisting of only zinc(II) chloride (ZnCl2, 136.31 g/mol) and titanium(IV) chloride (TiCl4, 189.67 g/mol)...

A mixture consisting of only zinc(II) chloride (ZnCl2, 136.31 g/mol) and titanium(IV) chloride (TiCl4, 189.67 g/mol) weighs 1.0971 g. When the mixture is dissolved in water and an excess of silver acetate is added, all the chloride ions associated with the original mixture are precipitated as insoluble silver chloride (AgCl, 143.32 g/mol). The mass of the silver chloride is found to be 2.9691 g. Calculate the mass percentage of zinc(II) chloride in the original mixture.

The copper(II) chloride and aluminum reaction. calculate the kilojoules of heat produced by the reaction, assuming...

The copper(II) chloride and aluminum reaction. calculate the kilojoules of heat produced by the reaction, assuming that no energy left the calorimeter. The specific heat of the solution is 3.96J/gC ( include the mass of the aluminum foil in the total mass of the solution. Data: Trial 1 Trial2 mass of calorimeter: 8.473g 8.610g mass of solid Cucl2*2H2O: 3.232g 3.236g mass of copper solution: 64.594g 62.637g mass of aluminum foil: 0.814g 0.807g initial temperature: 19.6C 20.8C final temperature: 49.2C 53.4C

Subjects