Author Question: general chemistry (Read 1642 times)

itsmyluck

  • Hero Member
  • *****
  • Posts: 546
on: Feb 5, 2014
Heating removes something something from the metalic substance to make calx.
Is this a reasonable hypothesis?
How could you test the hypothesis?
Can you think of an alternative hypothesis that could also explain the observations?



Hawke

  • Hero Member
  • *****
  • Posts: 679
Reply #1 on: Feb 8, 2014
It's not a reasonable hypothesis because it doesn't contain an explanation as to why. In addition, the variables are not quantitative. We don't know how much heat, nor are we told the substance that is removed.

To test this hypothesis, you've have to heat the substance at several different temperatures to see how much heat is required. The amount of substance would have to stay constant.




Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

For a complete list of videos, visit our video library