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someone21
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Please help urgent
Please help, I have few questions
1.Natural gas burns with a yellow flame, a chemical or physical properties?
2.An egg is fried in a skillet, a chemical or physical properties?
3. When iron is dissovled into a acid. Has the iron atoms destroyed? Give answers with why?
4.A particular compound is thought to be a pure compound. Analysis of three
samples of the material yield the following results.
Mass of sample Mass of carbon Mass of hydrogen
Sample 1 1.000 g 0.937 g 0.0629 g
Sample 2 0.244 g 0.229 g 0.0153 g
Sample 3 0.100 g 0.094 g 0.0063 g
Could the material be a pure compound?
I really don't understand this question
Please help, I have few questions
1.Natural gas burns with a yellow flame, a chemical or physical properties?
2.An egg is fried in a skillet, a chemical or physical properties?
3. When iron is dissovled into a acid. Has the iron atoms destroyed? Give answers with why?
4.A particular compound is thought to be a pure compound. Analysis of three
samples of the material yield the following results.
Mass of sample Mass of carbon Mass of hydrogen
Sample 1 1.000 g 0.937 g 0.0629 g
Sample 2 0.244 g 0.229 g 0.0153 g
Sample 3 0.100 g 0.094 g 0.0063 g
Could the material be a pure compound?
I really don't understand this question