Melany855 Melany855

09-06-2015
Chemistry

Answered

Which two substances can not be broken down by chemical change?
(1) C and CuO (3) CO2 and CuO
(2) C and Cu (4) CO2 and Cu

Answer :

Аноним Аноним

09-06-2015

C and Cu cannot be broken down by chemical change.

Answer Link

Other Questions

Use the following federal tax table for biweekly earnings of a single person to help answer the question below.\begin{tabular}{|c|c|c|c|c|c|c|c|c|c|c|c|c|}\hlin

A game has two four-sided dice with the numbers 9, 6, 3, and 2 on their faces. Outcomes in the sample space are pairs such as (9, 6) and (2, 2).a. How many elem

imagine you are living through the technological boom post world war 2

Look at page 2 of the Article. Which sentences describe the FAA regulations passed in 2013? Drag three correct answers into the box.

Henry made himself a sandwich that was [tex]\frac{11}{12}[/tex] of a foot long. He put pepperoni on [tex]\frac{3}{4}[/tex] of his sandwich. What length of the s

Divide the radical expressions. Assume [tex]$x \ \textgreater \ 0$[/tex].[tex] \frac{5 \sqrt{x^7}}{\sqrt{x^4}} [/tex]

13. A road is 6.2 km long. Light poles wereplaced 5 m apart along the road.Calculate how many light poles arealong the road.

Read the excerpt from the beginning of Chapter 1 of Treasure Island by Robert Louis Stevenson:"SQUIRE TRELAWNEY, Dr. Livesey, and the rest of these gentlemen ha

The magnitude of an earthquake, measured on the Richter scale, is [tex]\log _{10} \frac{I}{I_0}[/tex], where [tex]I[/tex] is the amplitude registered on a seism

ent1. What segments of the population ended up fighting the Vietnam War? Be as specificas possible.

According to cell theory,which of the following best describes the role of cells in living organisms? A.cells join together to form multicellular organisms. B

Which statement describes the relationship between the rulers of Europe and the Catholic Church during the Crusades? European rulers contributed military leader

Which sentence uses possessive personal pronouns correctly? A. Her's is the one beside our's. B. The cat took it's time in settling onto the pillow on my bed. C

What distance would Mario travel if he drove for 4 3/4 hours at 70 miles per hour? Assume that a steady speed was maintained.

To what extent had the colonists developed a sense of their identity and unity as Americans by the eve of the Revolution?

Abolished indentured servitude and slavery in the United States

What is the probability that a rolled dot cube will stop with exactly two dots on top?

3x+2y=11 2x+5y=22 help ?

Which best reflects the central message of “The Second Coming”?

Why do parents focus on the negative aspect of teens?