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9th Grade Chemistry Questions and Answers (Q&A)

Bobby Rickets, Content Reviewer
Answered: Jan 17, 2019
Chemical change occurs when a substance transforms into a new material where it cannot be changed back to its original form. Substances that undergo chemical change do not automatically do not...Read More

2 Answers

920 views
Markda John
Answered: Jan 02, 2018
There are only three elements in two molecules of aspirin. If the formula for aspirin is C9H8O4, then there are nine carbon atoms, eight hydrogen atoms, and four oxygen atoms on every molecule of...Read More

3 Answers

778 views
John Smith
Answered: Apr 24, 2024
An ion that can have more than one charge

1 Answer

740 views
C. Block, English Professor
Answered: Jan 25, 2019
The answer to this is 103 grams of potassium oxide. There are a lot of people who may know that this is the answer because they have seen this question before but they have no idea how this was...Read More

3 Answers

506 views
Mrbrownthescienceguy
Answered: Apr 24, 2024
10

1 Answer

324 views
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