The reason why iron oxide has more mass than the iron is because Iron oxide has oxygen atoms, and pure iron does not.
When iron rusts and forms iron oxide, the iron oxide has more mass than the iron. Which statement correctly explains this
observation?
(A)Iron oxide has oxygen atoms, and pure iron does not.
(B)The oxygen atoms in iron oxide have more mass than the iron atoms in pure iron.
(C)The iron atoms in iron oxide have more mass than pure iron.
(D)There are more iron atoms in iron oxide than in pure iron.
When a chemical reaction takes place, other atoms are combined with pure elements to form compounds. This addition of another atom (oxygen) after reaction makes iron oxide formed heavier than pure iron.
Iron oxide is a chemical substance formed when pure iron rusts. The formation of iron oxide is a chemical reaction.
Hence, the correct answer to the question is; the iron is heavier because Iron oxide has oxygen atoms, and pure iron does not.
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The items that represent the perceived successes of the preparedness movement and those that represent the perceived failures are:
Successes
- It trained soldiers who became the main members of the officer corps.
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It trained people to be better members of the workforce.
- It forced improvements to the U.S military.
- It helped lead the U.S to join the war.
Failures
- It helped spark an arms race between major countries.
<h3>What is the Preparedness Movement?</h3>
The Preparedness movement was initiated by the former president, Theodore Roosevelt. His aim was to convince President Woodrow Wilson and the American citizenry of the need to prepare to join the first world war.
This movement helped to prepare the nation for the war.
Learn more about the Preparedness Movement here:
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Answer:
Purchase of a car
Explanation:
I found it on another question in brainly I think it contains other answers. If your stuck on the other questions I think you might find them here.
brainly.com/question/9588704
Answer:
A.) 9 to 11
Explanation:
I believe that asking as many questions as possible is very useful especially during a job interview. This is so because it allows you a wide range of questions to chose from and to create in which can cover concerns about the general job description of the job in which you are further undergoing. Not only that but it even enables you to gain additional background about past experiences about the job as well as to list out any concerns that can possibly cause hazards or other dangers. To generalize, you get a very detailed concept of the job description and the environment, along with many of the employees with a long range of questions to chose from.
