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Answers by TomRoche

Answers by TomRoche
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A compound was found to have 85.7% carbon and 14.3% hydrogen. Its molecular mass is 84. What is its empirical formula? What is its molecular formula?
answered Mar 31, 2021
1 vote
105k views
Eliana was given a ten-day course of antibiotics,but she stopped taking them once she started feeling better on day four.Eliana's decision seems to be personal,but it has social implications.What public
answered Feb 6, 2021
4 votes
158k views
Which object has more heat energy , a hot cup or a cold cup? why
answered Dec 25, 2020
4 votes
126k views
Can you determine which of two unknown elements has the larger radius if the only known information is that the atomic number of one of the elements is 20 greater than the other? Explain.
answered Dec 2, 2020
5 votes
44.2k views
If a fast moving car making a loud noise approaches and moves past the person what will happen as the distance between the two increases?
answered Sep 19, 2020
2 votes
4.8k views
What is Portal System? a. It is where an organ has a lot of capillaries for better circulation. b. It is where an organ is supplied with two interconnecting arteries. c. It is where an artery supplies
answered Apr 15, 2020
6 votes
107k views
2x-12/3=7 what is x equal to?
answered Mar 13, 2020
4 votes
144k views
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